ZONBAILON Mens Mesh Boxer Briefs Pouch Underwear Breathable Sport Short Trunk Panties. 87% Nylon, 13% Spandex. PREMIUM FABRIC – Men’s underwear mesh boxer briefs made with 87% nylon, 13% spandex. Cool mesh fabric, silky smooth to the skin with durable quality, cool and dry with perfect all-day comfort. It feels like you’re not wearing anything. DESIGNED FOR YOU -Comfortable with web mesh fabric around leg and butt area, but double layer in the crotch area makes it super attractive but safe, prevent see through. 4-WAY STRETCH -Guarantees free movement and prevents damage against workout, running and other repeated motion and friction, ensuring everlasting durability. OCCASIONS&SIZE -Wonderfully comfortable for working out, running, hiking, and biking, even going about your day. From men’s pouch underwear us sizes M-3XL. Medium = 32″-34″, Large = 36″-38″, X-Large = 40″-42″, XX-Large = 44″-46″, XXX-Large = 48″-50″. 3D convex pouch for balls;Comfortable soft waistband to eliminate pinching and binding. We will provide you the best solution. FEEL FREE TO ASK, WE HAVE ONE STOP SOLUTION FOR ALL YOUR QUERIES.