Pikante Castro Jockstrap, Men's Underwear. 85% Nylon - 15% Spandex Importado Hot blooded "Latin styled" designer underwear from Pikante. Lycra mix fabrics allowing unhampered ease of movement High quality materials & manufacturing resulting in an excellent fit and feel. Material Composition: 85% Nylon - 15% Spandex.. Waist Sizes: Small: 28"-30", Medium: 32", Large: 34", X-Large: 36-38" (inches)