Chafe Proof Pouch Microfiber Long Leg Boxer Brief - Size L ( 36"-38" ) No awkward walls or chambers here. Our Chafe Proof Pouch underwear is ergonomically engineered to keep everything nice and separated for less friction, and next-to-zero adjustments. Chafe Proof Pouch design wraps around and under you for less friction and adjustments Quick-drying mesh inside the pouch enhances breathability Mesh vents outline the pouch to improve airflow Stretchy microfiber fabric moves in all the ways you do Staycool+® technology wicks sweat to help keep you cool and dry Flatlock seams reduce chafing in sensitive areas Mid rise and full coverage, No-fly design, Moderate support for stay-in-place support for your on-the-go lifestyle Body: 90% recycled polyester/10% spandex; Mesh: 85% polyester/15% spandex, Machine wash and dry