CReflective F box copper logo. Covered stretch elastic waistband. Comfortable crotch gusset. Comfortable durable fabrication with wicking function and stretch. More comfort in poses where you are on your knees. Padded knee feature. Large area of coverage to accomidate different heights. Non-bulky padding eliminates the need for other padding or towels. Stretch Nylon Jersey 92% Nylon/ 8% Lycra.