Two Shorts in One for cycling. Inner liner short has shock absorbing cellular urethane. It is breathable in that it lets water vapor and perspiration move away from the body. This pad resists abrasion, is smooth and wrinkle free. The internal bike short is a Nylon/Lycra? Liner with Black Pearl Pad. Two Shorts in One, Baggy exterior and internal padded bike short. * Loose Fitting with stretch nylon side panels on back for an awesome fit during cycling movement * Two side cargo pockets with velcro closure * The Black Pearl Crotch pad will be the most comfortable pad you have ever worn! It is made of long lasting foams for anti-shock and comfort. This shock absorbing cellular urethane is designed to absorb shock for the life of the short. It is breathable in that it lets water vapor and perspiration move away from the body. * Men"s Waist Inches Small 28-30 Medium 32-34, Large 36-38, XL38-40, XXL 42-44, 3XL46-48, 4XL 50-64