"Willow" Nylon Lycra Blend is a versatile super smooth breathable fabric that hugs the body for a custom fit enabling you to dress it up or dress it down! "Willow" is designed to give maximum stretch conforming to your body for maximum support and comfort. A cross training favorite with a fitted cut and understated branding. Small Biomark on back with a small "Hazardous Sports" Logo on left sleeve.