The Stage Knee guard offers mid-range trail protection in a packable package. D3O® is used for impact protection. D3O® is soft and flexible to keep the guards comfortable while riding, but on impact, the D3O® material hardens to disperse the energy for protection. Slip on a pair and head out to the bike park in confidence.Specifications:- D3O® lightweight, low profile elbow impact protection- Silicone grippers prevent slipping- Spacer-prene sleeve combined with breathable mesh panel for all day riding comfort- Durable, abrasion-resistant elbow panel- Sold in pairs-left/right- CE EN1621-1 Certified