trufit: 90% Nylon 10% Spandex - superior performance benefits of modern fiber technology with exceptionally soft feel. Fully breathable, wicks moisture to keep you cool and dry, lightweight, windproof, fast drying, has UV protection and keeps its vibrant color and softness wash after wash.
sportfit: 90% Nylon 10% Spandex - Combines the appeal of cotton with the performance benefits of modern fiber technology. Finer multiple filaments make this fabric flexible, lightweight and 30% softer than standard nylon fabrics. Fully breathable, odor, wind, water & stain resistant, fast drying and super supportive.