360° Stretch Performance Fabric Durable, moisture-wicking (sweat control) with a smooth feel. Mesh Cooling Zones - Releases body heat to stall sweat. Antimicrobial & Anti-Odor - Slows the spread of bacteria that causes B.O. When To Wear Designed for intense exercise and daily sweat management. 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. Bold Invisible 'T' Logo - Iconic graphic on left leg (do not attempt to remove, we meant to put it there). Tagless Label - Enhanced comfort, we really thought of everything.