Cotton Stretch Fabric Breathable, cotton fabric with added stretch. Naturally Breathable - To keep you cool and dry. Cotton Feel - Soft and familiar. Additional Features Hammock Pouch™ - Two breathable Air Mesh pillows provide additional, enhanced support within the Contour Pouch by separating your guys from your thighs. Horizontal Quick Draw® Fly - A solution to the ‘fly fishing’ caused by vertical and no-fly underwear. A uniquely intuitive horizontal opening for fast, easy access when nature calls. Contour Pouch - Designed for comfort and control, this curved pouch supports and flatters your natural shape, nestling the boys without restriction. Stay-Put Waistband - Won’t roll, bunch, pinch or leave marks. Tagless Label - Enhanced comfort, we really thought of everything. Fabric & Care 95% Cotton, 5% Spandex Machine wash cold. Tumble dry low.