The G-Form Pro-X3 Knee Guards provide comfortable and lightweight protection. Designed for the trail, all-mountain, and cross country riding, these knee guards feature G-Form's SmartFlex™ pad technology. SmartFlex™ pads offer form-fitting and lightweight protection that is flexible as you ride and hardens on impact Body-mapped, impact-absorbing SmartFlex™ pads layered on top of a ventilated, soft inner foam layer allowing for maximum protection, comfort and breathability Compression sleeves with grippers at the top and bottom to keep guards in place Moisture-wicking, UPF 50+ fabric Machine washable .