Award-winning underwear, designed by runners and made for runners, Runderwear Running Support Briefs are completely designed to give you the maximum level of comfort and support from your briefs. The sophisticated combination of material and cut is ergonomically designed for the biomechanics of runners. A 360-degree manufacturing process weaves the fabric in a circular motion, without seams to irritate, rub or chafe skin.The BreezeLite fabric is engineered to wick moisture from the skin, reducing irritation and keeping you dry. The same fabric incorporates BreezeControl, which helps regulate body temperature too.(06/15)