INBIKE Lightweight Padded Mens Bike Underwear Breathable Cycling Riding Outdoor Breathable. The cycling underwear is made of a very thin mesh. Holes of the fabric add to the vent ability greatly and accelerate sweat releasing. Anti-shock. 3D foam pad of the bike underpants has a good buffer effect,Meanwhile its better in heat releasing. (pad measures 0.6 inch) Light weight. The boxers weigh about 6 oz. Stretchy. Fabric is of eleasticity, going to fit your body closely Classy style, accurate size.