Child Bike Shorts are Very High Quality! Fabric is 7 oz. 86% Nylon / 14% Spandex tricot knit four way stretch. Waist is soft elastic and the legs are coverstitched to be smooth and comfy. Special thin Crotch make these shorts very popular with kids. It"s surface is smooth, and soft. Children do not like a thick pad between their legs, ours is just right! Kids are so comfortable in these shorts they wear them for many sports and fun in the sun.