Mainly made of thickened neoprene material， this knee sleeve protects from muscle pain， joint fatigue， discomfort， mild contusion or sprain， and arthritis， etc.. It is also applied for any outdoor or indoor activity to provide much comfort for your knee.?<br>?<br><strong>Features:</strong>?<br>To relieve your knee from muscle pain， sore， tendonitis， arthritis， or mild contusion， sprain.<br>Neoprene fabric with high strength for comfortable and durable wearing.<br>Seamless stitches add no abrasion to the knee.<br>Perforated outer fabric for superior breathability.?<br>For cycling， fitness， boxing， etc..<br>Sold in one piece.<br><br><strong>Specifications:</strong><br>Color: Black<br>Material: 75% neoprene + 25% nylon<br>Item size(Keen Girth): Size: M(36-40 cm) / L(40-44 cm) / XL(44-48 cm) (Optional)<br>Package size: 18.5 * 14 * 2cm / 7.3 * 5.5 * 0.8in<br>Package weight: 70-83g / 2.5-2.9oz<br>?<table border="0" width="800px" cellspacing="1" cellpadding="3" bgcolor="#999999"><tbody><tr><td rowspan="2"><strong>Size</strong></td><td colspan="2"><strong>Top Open Width</strong></td><td colspan="2"><strong>Bottom Open Width</strong></td><td colspan="2"><strong>Height</strong></td></tr><tr><td>cm</td><td>in</td><td>cm</td><td>in</td><td>cm</td><td>in</td></tr><tr><td><strong>M</strong></td><td rowspan="1"><div>16</div></td><td rowspan="1">6.3</td><td>14</td><td>5.5</td><td>24</td><td>9.5</td></tr><tr><td><strong>L</strong></td><td>17.5</td><td>6.9</td><td>14.5</td><td>5.7</td><td>25</td><td>9.8</td></tr><tr><td><strong>XL</strong></td><td>19</td><td>7.5</td><td>15.5</td><td>6.1</td><td>26</td><td>10.2</td></tr></tbody></table><br><strong>Package List:?</strong><br>1 * Keen Support