The Powerslide Race Pro Knee Sleeve Is A Slip-On Sleeve That Provides Light Weight And Low Profile Protection With Maximum Flexibility. The Stretchable Elastan Sleeve With Its New, Wide Anti-Slip Bands Delivers Perfect, Comfort And Fit. The Race Pro Series Now Features A 3mm Shock Absorbing Eva Padding Placed Under Highly Abrasion Resistant Kevlar. Mesh Material Placed On The Backside Of The Sleeve Improves The Breathability, Even In Hot Conditions. Powerslide Race Pro Knee Sleeves Offer Reliable Crash Protection With Outstanding Freedom Of Movement. A Great Choice For Those Looking For Unobtrusive Protection Worn During Race Competitions Or During Training Sessions. Until They Save You From A Crash, You Will Not Notice You Are Wearing Those Sleeves, Not Even Yourself.