Andrew Christian Men's Flexsoft Air Jock with Show-it Technology 93% rayon/7% spandex Machine wash For maximum frontal support, completely invisible support structure 93% super soft rayon made from modal, 7% spandex Adds up to 1.5 inches (3.8 cm) onto your current frontal measurements Regular & slim fit - great for any body type Designed with care in the andrew christian design studio in los angeles