The 2XU X-VENT Short with Compression gives you the boost you need to reach a new high in performance. The VAPOR+ fabric with 70D/CK compression provides water-resistant protection with built-in support to stabilize muscles. Extreme mesh side panels facilitate air flow in key zones as you run, and a side-split construction offers better range of motion. VAPOR+ fabric with 70D/CK compression Extreme mesh side panels Side splits Lightweight water-resistant protection Zippered back pocket Machine wash in cold water with like colors, do not tumble dry, do not bleach, do not iron 100% polyester.