AERO|TECH|DESIGNS Elite Air Gel Men's Padded Cycling Underliner 83% Polyester / 17% Spandex Thick gel padded cycling underliner shorts: ideal for commuting and touring Convert any shorts, tight, knickers, etc. into cycling apparel with a gel padded underliner Breathable, lightweight fabric wicks moisture and keeps you cool Adult Sizes: S (30-32 waist) M (32-34 waist) L (35-37 waist) XL (38-40 waist) 2X (42-44 waist) 3X (46-48 waist) 4X (50-52 waist) Thick gel pad measures 15mm thick at the sit bones for lasting support and cushion; Made in the USA Padded underwear is great for cycling Fabric is a wicking mesh that is very cool Light elastic hem on leg hems Fits like a dream with a six panel anatomical cut Seams are flat locked for next to skin softness Wide waist elastic is soft and luxurious, brushed on the inside for softness next to skin. Seams are flatlocked for smooth and stretchy seams.