Breathable Mesh Stretch Fabric Feather-light, quick drying, enhances airflow with a barely-there feel. Only 2oz - Ideal for your carry-on, and can air dry in under 4 hours after a wash. Antimicrobial & Anti-Odor - Slows the spread of bacteria that causes B.O. Quick Drying - Perforated fabric allows air to flow, and evaporates sweat effectively. When To Wear Designed for extended daily wear, perfect for travel. 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 75% Polyamide, 25% Elastane Machine wash cold. Tumble dry low.