Mack Weldon - 18-Hour Jersey

The Mack Weldon 18-Hour Jersey is the perfect middle ground between traditional cotton underwear and modern performance gear. It uses a proprietary blend of cotton, modal, and spandex that offers the classic feel of cotton with the stretch and moisture-wicking benefits of modern synthetics. The name '18-Hour' refers to the brand's commitment to creating underwear that stays comfortable from the moment you wake up until you go to bed. It is a no-nonsense, high-quality staple that fits well and holds its shape through countless washes.