The Sweet Protection Knee Guards Light are minimalistic and light protection with excellent ventilation. Designed for endless hours on the singletracks as they offer optimal comfort and pedal friendliness. These Knee Guards Light are part of the new line of joint protectors, where Sweet has 1) increased comfort through a softer Visco-Elastic material with improved ventilation 2) used new perforated and highly ventilated materials throughout 3) used lighter material for optimal performance, and 4) created better articulation to save energy while making sure the protection stay put. 3SVisco-elastic pad - hardens upon impact Durable pad pocket in front Elastic and ventilated fabrics Gripper elastic on the inside Washable (hand wash) Materials Main fabric: 70% Styrene-butadiene rubber, 30% Polyester Contrast fabric: 88% Polyamide, 12% Polyurethane 2nd Contrast fabric: 76% Polyester, 24% Polyurethane Fill: 100% Polyester