All Year Gear’s take on the classic boxer brief takes men's underwear to a whole new level of comfort and performance. Featuring an ultra-soft next-to-skin feel, their signature fabric moves when you do eliminating bothersome bunching and riding. All Year Gear’s Men's boxer brief also allows for breathability and superior moisture transport, keeping you cool, dry, and light no matter your adventure. 4.5-oz, 92% Acclimate Dry, Polyester/8% Spandex, lightweight technical 4-way stretch, acclimate fresh anti-microbial, UPF sun protection, form fitting.