The Fox Racing Enduro Knee Sleeves are trail tuned and offer pedal-friendly protection on the trail. Made from a moisture-wicking micro-lycra material and featuring a nylon mess rear panel, they keep the air flowing as you pedal up and earn the down. They allow full range of motion, thanks again to that high-stretch rear panel, and keep your knees safe from hard trail knocks with the removable D3O® elbow inserts that deliver both protection and comfort as you ride. Lightweight slip-on knee sleeves Moisture wicking micro-lycra sleeve with nylon mesh rear panel for increased airflow Removable D3O® knee inserts for the perfect balance of comfort and protection Silicone grip top and bottom to hold the guard in place Materials 34% PU, 30% Polyester, 28%Nylon ,8% Spandex