<p>Vans&reg; is the leading skateboarding and original action sports footwear, apparel, and accessories brand. Vans&reg; authentic collections are sold in more than 100 countries through a network of subsidiaries, distributors, and international offices. Vans&reg; has more than 2,000 retail locations globally including owned, concession and partnership doors. The Vans&reg; brand inspires and empowers everyone to live &ldquo;Off the Wall&rdquo; embodying the youthful spirit of freedom, non-conformity, and relentless drive to push culture across action sports, music, art and design.</p>

Vans

Step Up Your Sneaker Game With The Vans Unisex Lx Old Skool! This Classic Silhouette Features The Iconic Side Stripe And A Comfy Fit That’S Perfect For Anyone. Crafted With Premium Materials, They Bring Together Style And Durability Effortlessly. Whether You'Re Hitting The Skate Park Or Just Hanging Out With Friends, These Kicks Are A Must-Have For Any Wardrobe. Embrace That Timeless Vibe And Make Every Step Count!

UNISEX LX OLD SKOOL GREY

visa

mastercard

paypal

klarna

<p dir="ltr"><strong><span style="vertical-align: inherit;"><span style="vertical-align: inherit;">Frais de livraison :</span></span></strong><br />
5,95 €. Livraison gratuite à partir de 100 € en France</p><br />
<p dir="ltr"><strong><span style="vertical-align: inherit;"><span style="vertical-align: inherit;">Frais de retour :</span></span></strong><br />
6,50 € / Vous disposez de 60 jours pour nous retourner votre commande. Pour en savoir plus sur notre politique d’envoi et de retour, rendez-vous sur notre page Aide & Informations. </p>

<h3>VANS &ndash; SIZE CHART</h3>
<div class="table-desk">
<div class="table-name-container">
<h4><strong>CLASSICS - FOOTWEAR</strong></h4>
<table dir="ltr" border="1" cellspacing="0" cellpadding="0" data-sheets-root="1" data-sheets-baot="1"><colgroup><col width="100"><col width="100"><col width="100"><col width="100"><col width="100"><col width="100"><col width="100"><col width="100"><col width="100"><col width="100"><col width="100"><col width="100"><col width="100"><col width="100"><col width="100"><col width="100"><col width="100"><col width="100"><col width="100"><col width="100"></colgroup>
<tbody>
<tr>
<td>US ADULT</td>
<td>35</td>
<td>40</td>
<td>45</td>
<td>50</td>
<td>55</td>
<td>60</td>
<td>65</td>
<td>70</td>
<td>75</td>
<td>80</td>
<td>85</td>
<td>90</td>
<td>95</td>
<td>100</td>
<td>105</td>
<td>110</td>
<td>115</td>
<td>120</td>
<td>130</td>
</tr>
<tr>
<td>EU ADULT</td>
<td>34.5</td>
<td>35</td>
<td>36</td>
<td>36.5</td>
<td>37</td>
<td>38</td>
<td>38.5</td>
<td>39</td>
<td>40</td>
<td>40.5</td>
<td>41</td>
<td>42</td>
<td>42.5</td>
<td>43</td>
<td>44</td>
<td>44.5</td>
<td>45</td>
<td>46</td>
<td>47</td>
</tr>
<tr>
<td>UK ADULT</td>
<td>2.5</td>
<td>3</td>
<td>3.5</td>
<td>4</td>
<td>4.5</td>
<td>5</td>
<td>5.5</td>
<td>6</td>
<td>6.5</td>
<td>7</td>
<td>7.5</td>
<td>8</td>
<td>8.5</td>
<td>9</td>
<td>9.5</td>
<td>10</td>
<td>10.5</td>
<td>11</td>
<td>12</td>
</tr>
</tbody>
</table>
<p><strong>APPAREL</strong></p>
<table dir="ltr" border="1" cellspacing="0" cellpadding="0" data-sheets-root="1" data-sheets-baot="1"><colgroup><col width="146"><col width="60"><col width="60"><col width="60"><col width="60"><col width="60"><col width="60"></colgroup>
<tbody>
<tr>
<td><strong>Men (unisex)</strong></td>
<td style="text-align: center;">XS</td>
<td style="text-align: center;">S</td>
<td style="text-align: center;">M</td>
<td style="text-align: center;">L</td>
<td style="text-align: center;">XL</td>
<td style="text-align: center;">XXL</td>
</tr>
<tr>
<td><strong>Women</strong></td>
<td style="text-align: center;">XS</td>
<td style="text-align: center;">S</td>
<td style="text-align: center;">M</td>
<td style="text-align: center;">L</td>
<td style="text-align: center;">XL</td>
<td style="text-align: center;">XXL</td>
</tr>
</tbody>
</table>
</div>
</div>

<h3>VANS &ndash; SIZE CHART</h3>
<div class="table-desk">
<div class="table-name-container">
<h4><strong>CLASSICS - FOOTWEAR</strong></h4>
<table dir="ltr" border="1" cellspacing="0" cellpadding="0" data-sheets-root="1" data-sheets-baot="1"><colgroup><col width="100"><col width="100"><col width="100"><col width="100"><col width="100"><col width="100"><col width="100"><col width="100"><col width="100"><col width="100"><col width="100"><col width="100"><col width="100"><col width="100"><col width="100"><col width="100"><col width="100"><col width="100"><col width="100"><col width="100"></colgroup>
<tbody>
<tr>
<td><strong>US ADULT</strong></td>
<td style="text-align: center;">035</td>
<td style="text-align: center;">040</td>
<td style="text-align: center;">045</td>
<td style="text-align: center;">050</td>
<td style="text-align: center;">055</td>
<td style="text-align: center;">060</td>
<td style="text-align: center;">065</td>
<td style="text-align: center;">070</td>
<td style="text-align: center;">075</td>
<td style="text-align: center;">080</td>
<td style="text-align: center;">085</td>
<td style="text-align: center;">090</td>
<td style="text-align: center;">095</td>
<td style="text-align: center;">100</td>
<td style="text-align: center;">105</td>
<td style="text-align: center;">110</td>
<td style="text-align: center;">115</td>
<td style="text-align: center;">120</td>
<td style="text-align: center;">130</td>
</tr>
<tr>
<td><strong>EU ADULT</strong></td>
<td style="text-align: center;">34,5</td>
<td style="text-align: center;">35</td>
<td style="text-align: center;">36</td>
<td style="text-align: center;">36,5</td>
<td style="text-align: center;">37</td>
<td style="text-align: center;">38</td>
<td style="text-align: center;">38,5</td>
<td style="text-align: center;">39</td>
<td style="text-align: center;">40</td>
<td style="text-align: center;">40,5</td>
<td style="text-align: center;">41</td>
<td style="text-align: center;">42</td>
<td style="text-align: center;">42,5</td>
<td style="text-align: center;">43</td>
<td style="text-align: center;">44</td>
<td style="text-align: center;">44,5</td>
<td style="text-align: center;">45</td>
<td style="text-align: center;">46</td>
<td style="text-align: center;">47</td>
</tr>
</tbody>
</table>
<p>&nbsp;</p>
<p><strong>APPAREL</strong></p>
<table dir="ltr" border="1" cellspacing="0" cellpadding="0" data-sheets-root="1" data-sheets-baot="1"><colgroup><col width="146"><col width="60"><col width="60"><col width="60"><col width="60"><col width="60"><col width="60"></colgroup>
<tbody>
<tr>
<td><strong>Men (unisex)</strong></td>
<td style="text-align: center;">XS</td>
<td style="text-align: center;">S</td>
<td style="text-align: center;">M</td>
<td style="text-align: center;">L</td>
<td style="text-align: center;">XL</td>
<td style="text-align: center;">XXL</td>
</tr>
<tr>
<td><strong>Women</strong></td>
<td style="text-align: center;">XS</td>
<td style="text-align: center;">S</td>
<td style="text-align: center;">M</td>
<td style="text-align: center;">L</td>
<td style="text-align: center;">XL</td>
<td style="text-align: center;">XXL</td>
</tr>
</tbody>
</table>
</div>
</div>

<h3>VANS &ndash; SIZE CHART</h3>
<div class="table-desk">
<div class="chart-table-container" data-gender="kids" data-type="shoes">
<div class="table-name-container">
<h4>KIDS SHOES</h4>
</div>
<div class="scroll">
<table class="chart-table only-desk">
<tbody>
<tr>
<td>UK</td>
<td>10</td>
<td>10,5</td>
<td>11</td>
<td>11,5</td>
<td>12</td>
<td>12,5</td>
<td>13</td>
<td>13,5</td>
<td>1</td>
<td>1,5</td>
</tr>
<tr>
<td>EU</td>
<td>27</td>
<td>27,5</td>
<td>28</td>
<td>29</td>
<td>30</td>
<td>30,5</td>
<td>31</td>
<td>31,5</td>
<td>32</td>
<td>32,5</td>
</tr>
<tr>
<td>US</td>
<td>10,5</td>
<td>11</td>
<td>11,5</td>
<td>12</td>
<td>12,5</td>
<td>13</td>
<td>13,5</td>
<td>1</td>
<td>1,5</td>
<td>2</td>
</tr>
<tr>
<td>CM (FOOT LENGTH)</td>
<td>16,5</td>
<td>16,5</td>
<td>17</td>
<td>17,5</td>
<td>18</td>
<td>18,5</td>
<td>18,5</td>
<td>19</td>
<td>19,5</td>
<td>20</td>
</tr>
<tr>
<td class="fk-trasnparent" colspan="12">&nbsp;</td>
</tr>
<tr>
<td>UK</td>
<td>2</td>
<td>2,5</td>
<td>3</td>
<td>3,5</td>
<td>4</td>
<td>4,5</td>
<td>5</td>
<td>5,5</td>
<td>6</td>
</tr>
<tr>
<td>EU</td>
<td>33</td>
<td>34</td>
<td>35</td>
<td>36</td>
<td>36,5</td>
<td>37</td>
<td>38</td>
<td>38,5</td>
<td>39</td>
</tr>
<tr>
<td>US</td>
<td>2,5</td>
<td>3</td>
<td>4</td>
<td>4,5</td>
<td>5</td>
<td>5,5</td>
<td>6</td>
<td>6,5</td>
<td>7</td>
</tr>
<tr>
<td>CM (FOOT LENGTH)</td>
<td>20,5</td>
<td>21</td>
<td>22</td>
<td>22,5</td>
<td>23</td>
<td>23,5</td>
<td>24</td>
<td>24,5</td>
<td>25</td>
</tr>
</tbody>
</table>
</div>
<div class="scroll">&nbsp;</div>
</div>
<div class="chart-table-container" data-gender="kids" data-type="shoes">
<div class="table-name-container">
<h4>TODDLER SHOES</h4>
</div>
<div class="scroll">
<table class="chart-table only-desk">
<tbody>
<tr>
<td>UK</td>
<td>1,5</td>
<td>2</td>
<td>2,5</td>
<td>3</td>
<td>3,5</td>
<td>4</td>
<td>4,5</td>
<td>5</td>
<td>5,5</td>
</tr>
<tr>
<td>EU</td>
<td>17</td>
<td>17,5</td>
<td>18</td>
<td>18,5</td>
<td>19</td>
<td>20</td>
<td>21</td>
<td>21,5</td>
<td>22</td>
</tr>
<tr>
<td>US</td>
<td>2</td>
<td>2,5</td>
<td>3</td>
<td>3,5</td>
<td>4</td>
<td>4,5</td>
<td>5</td>
<td>5,5</td>
<td>6</td>
</tr>
<tr>
<td>CM (FOOT LENGTH)</td>
<td>9</td>
<td>9,5</td>
<td>10</td>
<td>10,5</td>
<td>10,5</td>
<td>11</td>
<td>11,5</td>
<td>12</td>
<td>12</td>
</tr>
<tr>
<td class="fk-trasnparent" colspan="10">&nbsp;</td>
</tr>
<tr>
<td>UK</td>
<td>6</td>
<td>6,5</td>
<td>7</td>
<td>7,5</td>
<td>8</td>
<td>8,5</td>
<td>9</td>
<td>9,5</td>
</tr>
<tr>
<td>EU</td>
<td>22,5</td>
<td>23,5</td>
<td>24</td>
<td>24,5</td>
<td>25</td>
<td>25,5</td>
<td>26</td>
<td>26,5</td>
</tr>
<tr>
<td>US</td>
<td>6,5</td>
<td>7</td>
<td>7,5</td>
<td>8</td>
<td>8,5</td>
<td>9</td>
<td>9,5</td>
<td>10</td>
</tr>
<tr>
<td>CM (FOOT LENGTH)</td>
<td>12,5</td>
<td>13</td>
<td>13,5</td>
<td>14</td>
<td>14,5</td>
<td>15</td>
<td>15,5</td>
<td>16</td>
</tr>
</tbody>
</table>
</div>
<div class="scroll">&nbsp;</div>
</div>
<div class="chart-table-container" data-gender="kids" data-type="shoes">
<div class="table-name-container">
<h4>BABY SHOES</h4>
</div>
<div class="scroll">
<table class="chart-table only-desk">
<tbody>
<tr>
<td>UK</td>
<td>0,5</td>
<td>1,5</td>
<td>2,5</td>
<td>3,5</td>
</tr>
<tr>
<td>EU</td>
<td>16</td>
<td>17</td>
<td>18</td>
<td>19</td>
</tr>
<tr>
<td>US</td>
<td>1</td>
<td>2</td>
<td>3</td>
<td>4</td>
</tr>
<tr>
<td>AGE</td>
<td>2-3 months</td>
<td>4-5 months</td>
<td>6-7 months</td>
<td>8-9 months</td>
</tr>
<tr>
<td>CM (FOOT LENGTH)</td>
<td>8,5</td>
<td>9</td>
<td>10</td>
<td>10,5</td>
</tr>
</tbody>
</table>
</div>
<div class="scroll">&nbsp;</div>
</div>
<div class="measure-yourself-bottom-cont">
<div class="flexrow center-xs middle-xs pos-relative">
<div class="column row">
<div class="faq-container column">
<div class="title-container">
<div class="chart-table-container" data-gender="kids" data-type="tops">
<div class="table-name-container">
<h4>KIDS BOVENKLEDING</h4>
</div>
<div class="scroll">
<table class="chart-table only-desk">
<tbody>
<tr>
<td>MAAT</td>
<td>2</td>
<td>3</td>
<td>4</td>
<td>5</td>
<td>6</td>
<td>7</td>
</tr>
<tr>
<td>AGE (J)</td>
<td>2 &ndash; 3</td>
<td>3 &ndash; 4</td>
<td>4 &ndash; 5</td>
<td>5 &ndash; 6</td>
<td>6 &ndash; 7</td>
<td>7 &ndash; 8</td>
</tr>
<tr>
<td>HOOGTE (CM)</td>
<td>89 &ndash; 96,5</td>
<td>96,5 &ndash; 104</td>
<td>104 &ndash; 112</td>
<td>112 &ndash; 118</td>
<td>118 &ndash; 126</td>
<td>126 &ndash; 129</td>
</tr>
<tr>
<td>BORST (CM)</td>
<td>52 &ndash; 53,5</td>
<td>53,5 &ndash; 56</td>
<td>56 &ndash; 58,5</td>
<td>58,5 &ndash; 61</td>
<td>61 &ndash; 65</td>
<td>65 &ndash; 66</td>
</tr>
<tr>
<td>TAILLE (CM)</td>
<td>53,5 &ndash; 54,5</td>
<td>54,5 &ndash; 56</td>
<td>56 &ndash; 57</td>
<td>57 &ndash; 58,5</td>
<td>58,5 &ndash; 59,5</td>
<td>59,5 &ndash; 61</td>
</tr>
<tr>
<td>HEUP (CM)</td>
<td>53,5 &ndash; 56</td>
<td>56 &ndash; 58,5</td>
<td>58,5 &ndash; 61</td>
<td>61 &ndash; 63,5</td>
<td>63,5 &ndash; 67</td>
<td>67 &ndash; 70,5</td>
</tr>
</tbody>
</table>
</div>
<div class="scroll">&nbsp;</div>
</div>
<div class="chart-table-container" data-gender="kids" data-type="tops">
<div class="scroll">
<table class="chart-table only-desk">
<tbody>
<tr>
<td>MAAT</td>
<td>S</td>
<td>M</td>
<td>L</td>
<td>XL</td>
</tr>
<tr>
<td>AGE (J)</td>
<td>8 &ndash; 10</td>
<td>10 &ndash; 12</td>
<td>12 &ndash; 14</td>
<td>14+</td>
</tr>
<tr>
<td>HOOGTE (CM)</td>
<td>129 &ndash; 139,5</td>
<td>139,5 &ndash; 151</td>
<td>151 &ndash; 165</td>
<td>165 &ndash; 173</td>
</tr>
<tr>
<td>BORST (CM)</td>
<td>66 &ndash; 70</td>
<td>70 &ndash; 74</td>
<td>74 &ndash; 82</td>
<td>82 &ndash; 87,5</td>
</tr>
<tr>
<td>TAILLE (CM)</td>
<td>61 &ndash; 64,5</td>
<td>64,5 &ndash; 68,5</td>
<td>68,5 &ndash; 73,5</td>
<td>73,5 &ndash; 77,5</td>
</tr>
<tr>
<td>HEUP (CM)</td>
<td>70,5 &ndash; 74</td>
<td>74 &ndash; 78,5</td>
<td>78,5 &ndash; 86</td>
<td>86 &ndash; 92</td>
</tr>
</tbody>
</table>
</div>
</div>
<div class="scroll">
<div class="chart-table-container" data-gender="kids" data-type="bottoms">
<div class="table-name-container">
<h4>KIDS BROEKEN</h4>
</div>
<div class="scroll">
<table class="chart-table only-desk">
<tbody>
<tr>
<td>MAAT</td>
<td>2</td>
<td>3</td>
<td>4</td>
<td>5</td>
<td>6</td>
<td>7</td>
</tr>
<tr>
<td>AGE (J)</td>
<td>2 &ndash; 3</td>
<td>3 &ndash; 4</td>
<td>4 &ndash; 5</td>
<td>5 &ndash; 6</td>
<td>6 &ndash; 7</td>
<td>7 &ndash; 8</td>
</tr>
<tr>
<td>HOOGTE (CM)</td>
<td>89 &ndash; 96,5</td>
<td>96,5 &ndash; 104</td>
<td>104 &ndash; 112</td>
<td>112 &ndash; 118</td>
<td>118 &ndash; 126</td>
<td>126 &ndash; 129</td>
</tr>
<tr>
<td>BORST (CM)</td>
<td>52 &ndash; 53,5</td>
<td>53,5 &ndash; 56</td>
<td>56 &ndash; 58,5</td>
<td>58,5 &ndash; 61</td>
<td>61 &ndash; 65</td>
<td>65 &ndash; 66</td>
</tr>
<tr>
<td>TAILLE (CM)</td>
<td>53,5 &ndash; 54,5</td>
<td>54,5 &ndash; 56</td>
<td>56 &ndash; 57</td>
<td>57 &ndash; 58,5</td>
<td>58,5 &ndash; 59,5</td>
<td>59,5 &ndash; 61</td>
</tr>
<tr>
<td>HEUP (CM)</td>
<td>53,5 &ndash; 56</td>
<td>56 &ndash; 58,5</td>
<td>58,5 &ndash; 61</td>
<td>61 &ndash; 63,5</td>
<td>63,5 &ndash; 67</td>
<td>67 &ndash; 70,5</td>
</tr>
</tbody>
</table>
</div>
<div class="scroll">&nbsp;</div>
</div>
<div class="chart-table-container" data-gender="kids" data-type="bottoms">
<div class="table-name-container">
<h4>KIDS BROEKEN</h4>
</div>
<div class="scroll">
<table class="chart-table only-desk">
<tbody>
<tr>
<td>ALPHA MAAT</td>
<td>SLIM</td>
<td>S</td>
<td>M</td>
<td>L</td>
<td>XL</td>
</tr>
<tr>
<td>NUMERIEKE TAILLEOMVANG</td>
<td>22 &ndash; 23</td>
<td>24 &ndash; 25</td>
<td>26 &ndash; 27</td>
<td>28 &ndash; 29</td>
<td>30</td>
</tr>
<tr>
<td>AGE (Y)</td>
<td>8 &ndash; 10 (Slim)</td>
<td>8 &ndash; 10</td>
<td>10 &ndash; 12</td>
<td>12 &ndash; 14</td>
<td>14+</td>
</tr>
<tr>
<td>HOOGTE (CM)</td>
<td>132 &ndash; 140</td>
<td>132 &ndash; 140</td>
<td>140 &ndash; 151</td>
<td>151 &ndash; 165</td>
<td>165 &ndash; 173</td>
</tr>
<tr>
<td>TAILLE (CM)</td>
<td>57 &ndash; 61</td>
<td>61 &ndash; 65</td>
<td>65 &ndash; 68,5</td>
<td>68,5 &ndash; 73,5</td>
<td>73,5 &ndash; 77,5</td>
</tr>
<tr>
<td>HEUP (CM)</td>
<td>66,5 &ndash; 69</td>
<td>69 &ndash; 74</td>
<td>74 &ndash; 78,5</td>
<td>78,5 &ndash; 86,5</td>
<td>86,5 &ndash; 92</td>
</tr>
</tbody>
</table>
</div>
<div class="chart-table-container" data-gender="kids" data-type="accessories">
<div class="table-name-container">
<h4>KIDS HOEDEN</h4>
</div>
<div class="scroll">
<table class="chart-table">
<tbody>
<tr>
<td>MAAT</td>
<td>OS* (One size)</td>
</tr>
<tr>
<td>CM</td>
<td>54 &ndash; 57</td>
</tr>
</tbody>
</table>
</div>
</div>
<div class="chart-table-container" data-gender="kids" data-type="accessories">
<div class="table-name-container">
<h4>KIDS RIEMEN</h4>
</div>
<div class="scroll">
<table class="chart-table only-desk">
<tbody>
<tr>
<td>MAAT</td>
<td>S/M</td>
<td>L/XL</td>
</tr>
<tr>
<td>CM*</td>
<td>61</td>
<td>71</td>
</tr>
</tbody>
</table>
</div>
</div>
</div>
</div>
<div class="measure-yourself-bottom-cont">
<div class="flexrow center-xs middle-xs pos-relative">
<div class="column row">
<div class="measure-yourself-container">
<div class="measure-yourself-right col-xs-12 columns end">
<div class="title-container">&nbsp;</div>
<div>
<div class="chart-table-container" data-gender="kids" data-type="socks">
<div class="table-name-container">
<h4>SOKKEN BABY</h4>
</div>
<div class="scroll">
<table class="chart-table">
<tbody>
<tr>
<td>MAAT</td>
<td>S/M</td>
<td>M/L</td>
</tr>
<tr>
<td>ROZMIAR BUTA (UK)</td>
<td>0 &ndash; 1,5</td>
<td>1,5 &ndash; 3,5</td>
</tr>
<tr>
<td>ROZMIAR BUTA (EU)</td>
<td>15 &ndash; 17</td>
<td>17 &ndash; 19</td>
</tr>
<tr>
<td>EDAD</td>
<td>1 &ndash; 5 maanden</td>
<td>6 &ndash; 9 maanden</td>
</tr>
</tbody>
</table>
</div>
</div>
<div class="chart-table-container" data-gender="kids" data-type="socks">
<div class="table-name-container">
<h4>SOKKEN PEUTER</h4>
</div>
<div class="scroll">
<table class="chart-table">
<tbody>
<tr>
<td>MAAT</td>
<td>S/M</td>
<td>M/L</td>
</tr>
<tr>
<td>TALLA ZAPATOS UK</td>
<td>3,5 &ndash; 6,5</td>
<td>7 &ndash; 9,5</td>
</tr>
<tr>
<td>TALLA ZAPATOS EU</td>
<td>19 &ndash; 23,5</td>
<td>24 &ndash; 26,5</td>
</tr>
<tr>
<td>EDAD</td>
<td>8 &ndash; 18 maanden</td>
<td>18 maanden &ndash; 2/3 a&ntilde;os</td>
</tr>
</tbody>
</table>
</div>
</div>
<div class="chart-table-container" data-gender="kids" data-type="socks">
<div class="table-name-container">
<h4>SOKKEN KIDS</h4>
</div>
<div class="scroll">
<table class="chart-table">
<tbody>
<tr>
<td>MAAT</td>
<td>OS* (One size)</td>
</tr>
<tr>
<td>TALLA ZAPATOS UK</td>
<td>13,5 &ndash; 5</td>
</tr>
<tr>
<td>TALLA ZAPATOS EU</td>
<td>31,5 &ndash; 38</td>
</tr>
</tbody>
</table>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>

Vans UNISEX LX OLD SKOOL GREY

Informations sur le produit

Description

Composition

Offres Otrium

Paiement, livraison et retours