A1 Active Wear Men's Calf Compression Sleeves, Leg Pain/Recovery, Medium Black Machine Wash Cold. Hang Dry Recommended IMPROVED CIRCULATION AND FASTER MUSCLE RECOVERY: The compression in each pair of leg sleeves helps to improve venous return, increasing blood flow and circulation. This leads to faster muscle recovery time, as muscles receive more of the oxygenated blood they need to recover. It is also good for traveling, at it helps to reduce leg swelling BYE-BYE SHIN SPLINTS: Added support to Shin muscles improves the muscle's ability to control the foot arch when the foot strikes the ground which eliminates shin splint pain. IT JUST WORKS!! Wouldn't it be great to be able to train harder, recover faster & feel stronger? Now you can. Our compression sleeves have true graduated compression for improved performance & support. They help boost circulation in your legs & reduce muscle soreness for faster recovery afterwards. Our compression sleeves are extensively factory tested to ensure the optimal graduated compression at all points. PERFECT FIT, PERFECT COMPRESSION: Not too tight, not too loose, fits just right with 20-25mmHg of graduated compression ANTI SLIP CUFF: Our Calf Compression Sleeves don't roll up or slide down when participating in running, cycling, basketball, baseball, volleyball, martial arts, cross fit, weight training or any other fitness activities. Our sleeves are even safe for all day use.