The measurements on the size chart are shoe size measurements. Find your correct size in the chart below.

<table class="table table-bordered table-hover table-condensed">
<thead><tr><th title="Field #1">Size</th>
<th title="Field #2">Foot Length</th>
<th title="Field #3">Men&#39;s Shoe Size</th>
<th title="Field #4">Women&#39;s Shoe Size</th>
</tr></thead>
<tbody><tr>
<td><span class="size-chart-size">XS</span><span class="size-chart-xs"></span></td>
<td>Up to 9&quot;</td>
<td>Up to 5</td>
<td>4-6</td>
</tr>
<tr>
<td><span class="size-chart-size">S</span><span class="size-chart-s"></span></td>
<td>9&quot;-9.75&quot;</td>
<td>5.5-7.5</td>
<td>6.5-9</td>
</tr>
<tr>
<td><span class="size-chart-size">M</span><span class="size-chart-m"></span></td>
<td>9.75&quot;-10.75&quot;</td>
<td>7.5-10.5</td>
<td>9.5-12</td>
</tr>
<tr>
<td><span class="size-chart-size">L</span><span class="size-chart-l"></span></td>
<td>10.75&quot;-11.75&quot;</td>
<td>10.5-13</td>
<td>12-14</td>
</tr>
<tr>
<td><span class="size-chart-size">XL</span><span class="size-chart-xl"></span></td>
<td>11.75&quot;-12.5&quot;</td>
<td>13.5-16</td>
<td>14+</td>
</tr>
</tbody></table>

<table class="table table-bordered table-hover table-condensed">
<thead><tr><th title="Field #1">Size</th>
<th title="Field #2">Foot Length</th>
</tr></thead>
<tbody><tr>
<td><span class="size-chart-size">XS</span><span class="size-chart-xs"></span></td>
<td>Up to 22.8</td>
</tr>
<tr>
<td><span class="size-chart-size">S</span><span class="size-chart-s"></span></td>
<td>22.8-24.8</td>
</tr>
<tr>
<td><span class="size-chart-size">M</span><span class="size-chart-m"></span></td>
<td>24.8-27.3</td>
</tr>
<tr>
<td><span class="size-chart-size">L</span><span class="size-chart-l"></span></td>
<td>27.3-29.8</td>
</tr>
<tr>
<td><span class="size-chart-size">XL</span><span class="size-chart-xl"></span></td>
<td>29.8-31.8</td>
</tr>
</tbody></table>

MAC Boot Air

The measurements on the size chart are body and shoe size measurements. Find your correct size in the chart below.

<table class="table table-bordered table-hover table-condensed">
<thead><tr><th title="Field #1">Product Size</th>
<th title="Field #2">Foot Length</th>
<th title="Field #3">Shoe Size</th>
</tr></thead>
<tbody><tr>
<td>S</td>
<td>up to 6&quot;</td>
<td>up to 8.5</td>
</tr>
<tr>
<td>M</td>
<td>6&quot;-7&quot;</td>
<td>8.5-11.5</td>
</tr>
<tr>
<td>L</td>
<td>7&quot;-8&quot;</td>
<td>11.5-1.5 (youth)</td>
</tr>
</tbody></table>

<table class="table table-bordered table-hover table-condensed">
<thead><tr><th title="Field #1">Product Size</th>
<th title="Field #2">Foot Length</th>
</tr></thead>
<tbody><tr>
<td>S</td>
<td>Up to 15.2</td>
</tr>
<tr>
<td>M</td>
<td>15.2-17.8</td>
</tr>
<tr>
<td>L</td>
<td>17.8-20.3</td>
</tr>
</tbody></table>

Pediatric Boot

The measurements on the size chart are shoe size and body measurements. Find your correct size in the chart below.

<table>
<thead>
<tr>
<th>Size</th><th>Men's Shoe Size</th><th>Women's Shoe Size</th><th>Ankle Circumference</th>
</tr>
</thead>
<tbody>
<tr><th>XSmall</th><td>6 - 7</td><td>5 - 6</td><td>10 - 11</td></tr>
<tr><th>Small</th><td>7.5 - 9</td><td>6.5 - 8</td><td>11 - 12</td></tr>
<tr><th>Medium</th><td>9.5 - 11</td><td>8.5 - 10</td><td>12 - 13</td></tr>
<tr><th>Large</th><td>11.5 - 13</td><td>10.5 - 12</td><td>13 - 14</td></tr>
<tr><th>XLarge</th><td>13.5 - 15</td><td>12.5 - 14</td><td>14 - 15</td></tr>
<tr><th>XXLarge</th><td>15.5+</td><td>14.5+</td><td>15 - 16</td></tr>
</tbody>
</table>

<table class="table table-bordered table-hover table-condensed">
<thead><tr><th title="Field #1">Size</th>
<th title="Field #2">Ankle Circumference</th>
</tr></thead>
<tbody><tr>
<td>X-Small</td>
<td>25.4-27.9</td>
</tr>
<tr>
<td>Small</td>
<td>27.9-30.5</td>
</tr>
<tr>
<td>Medium</td>
<td>30.5-33</td>
</tr>
<tr>
<td>Large</td>
<td>33-35.6</td>
</tr>
<tr>
<td>X-Large</td>
<td>35.6-38.1</td>
</tr>
<tr>
<td>XX-Large</td>
<td>38.1-40.6</td>
</tr>
</tbody></table>

Ankle Brace

<table class="table table-bordered table-hover table-condensed">
<thead><tr><th title="Field #1">Product Size</th>
<th title="Field #2">Foot Length</th>
<th title="Field #3">Men&#39;s Shoe Size</th>
<th title="Field #4">Women&#39;s Shoe Size</th>
</tr></thead>
<tbody><tr>
<td>XS</td>
<td>Up to 9&quot;</td>
<td>Up to 5</td>
<td>4-6</td>
</tr>
<tr>
<td>S</td>
<td>9&quot;-9.75&quot;</td>
<td>5.5-7.5</td>
<td>6.5-9</td>
</tr>
<tr>
<td>M</td>
<td>9.75&quot;-10.75&quot;</td>
<td>7.5-10.5</td>
<td>9.5-12</td>
</tr>
<tr>
<td>L</td>
<td>10.75&quot;-11.75&quot;</td>
<td>10.5-13</td>
<td>12-14</td>
</tr>
<tr>
<td>XL</td>
<td>11.75&quot;-12.5&quot;</td>
<td>13.5-16</td>
<td>14+</td>
</tr>
</tbody></table>

<table class="table table-bordered table-hover table-condensed">
<thead><tr><th title="Field #1">Product Size</th>
<th title="Field #2">Foot Length</th>
</tr></thead>
<tbody><tr>
<td>XS</td>
<td>Up to 22.8</td>
</tr>
<tr>
<td>S</td>
<td>22.8-24.8</td>
</tr>
<tr>
<td>M</td>
<td>24.8-27.3</td>
</tr>
<tr>
<td>L</td>
<td>27.3-29.8</td>
</tr>
<tr>
<td>XL</td>
<td>29.8-31.8</td>
</tr>
</tbody></table>

Walker Boot

The measurements on the size chart are body measurements. Find your correct size in the chart below.

<table>
<thead>
<tr>
<th>Size</th><th>Thigh Circumference</th><th>Knee Circumference</th><th>Calf Circumference</th>
</tr>
</thead>
<tbody>
<tr><th>XSmall</th><td>13 - 15.5</td><td>12 - 13</td><td>10 - 12</td></tr>
<tr><th>Small</th><td>15.5 - 18.5</td><td>13 - 14</td><td>12 - 14</td></tr>
<tr><th>Medium</th><td>18.5 - 21</td><td>14 - 15</td><td>14 - 16</td></tr>
<tr><th>Large</th><td>21 - 23.5</td><td>15 - 17</td><td>16 - 8</td></tr>
<tr><th>XLarge</th><td>23.5 - 26.5</td><td>17 - 19</td><td>18 - 20</td></tr>
</tbody>
</table>

<table>
<thead>
<tr>
<th>Size</th><th>Thigh Circumference</th><th>Knee Circumference</th><th>Calf Circumference</th>
</tr>
</thead>
<tbody>
<tr><th>XSmall</th><td>33 - 39</td><td>30.5 - 33</td><td>25.5 - 30.5</td></tr>
<tr><th>Small</th><td>39 - 47</td><td>33 - 35.5</td><td>30.5 - 35.5</td></tr>
<tr><th>Medium</th><td>47 - 53</td><td>35.5 - 38</td><td>35.5 - 40.5</td></tr>
<tr><th>Large</th><td>53 - 59.5</td><td>38 - 43</td><td>40.5 - 47</td></tr>
<tr><th>XLarge</th><td>59.5 - 67.5</td><td>43 - 48.5</td><td>47 - 50.75</td></tr>
</tbody>
</table>

Size	Foot Length	Men's Shoe Size	Women's Shoe Size
XS	Up to 9"	Up to 5	4-6
S	9"-9.75"	5.5-7.5	6.5-9
M	9.75"-10.75"	7.5-10.5	9.5-12
L	10.75"-11.75"	10.5-13	12-14
XL	11.75"-12.5"	13.5-16	14+

MAC Boot Air Size Chart