●Breathable material for maximum comfort, moisture wicking. ●10mm pro foam padding integrated with breathable nylon fabric. Great padded compression underpants for knee protection. ●Provides good padding coverage and support on both knees, high elasticity and compression. ●Durable and silk-feel touch. Keep cool in summer and warm in winter, improve performance. ●Fit Waist Line: Youth Size: Small=22-25inch. Medium=25-27inch. Large=26.5-29inch. X-Large=29-31inch.