Modal Stretch Fabric Silky soft and supportive, naturally breathable with a luxurious feel. Non-Pilling - No lint balls or fuzz, wash after wash. When To Wear Designed for daily wear. Additional Features 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 Fabric & Care (Solid Colors & Prints): 90% Modal, 10% Spandex (Heather): 47% Modal, 43% Polyester, 10% Spandex Machine wash cold. Tumble dry low.