SKU 2XU MA5331B Material Front panel - PWX 70D ; 72% NYLON, 28% LYCRA Back panel - PWX 105D ; 65% NYLON, 35% LYCRA Compression Rate: 20-30mmhg Highlights The Light Speed Compression Shorts with revolutionary Muscle Containment Stamping (MCS) technology are developed with a detailed understanding of the impact running has on the legs, reducing muscle movement, damage and fatigue for your best run ever. MUSCLE CONTAINMENT STAMPING (MCS)Muscle Containment Stamping (MCS) traces quadriceps; dissipating the load transfer on the knee joint during running LIGHTWEIGHT & FLEXIBLE SUPPORTPowerful, lightweight PWX fabric with circular knit 360-degree stretch, reduces muscle movement and damage whilst compression boosts blood flow to muscles, improving performance, lowering risk of injury and speeding up recovery WAISTBAND STORAGEDrawstring waistband for secure fit with three back pockets providing storage for phone, cards and keys as well as gels QUICK-DRYINGHigh quality, durable, moisture-wicking yarns outlast the competition and keep the skin cool and dry BE SEENSignature reflective X logo on thigh provides visibility in low-light conditions Compression short PWX highly powerful, lightweight and flexible compression fabric Quadriceps MCS Drawstring waistband for adjustable secure fit Large pocket for phone Zip pocket for cards and keys Mesh pocket for gels Reflective X logo for greater visibility Flatlock seams to reduce chafe Care Instructions Machine wash in cold water with like colours Do NOT Tumble dry Hang to dry in a cool shady area away from sun Do not use bleach, fabric softeners or dryer sheets Do not iron