Sweatshirt by Jack Wills Sporting Goods, Moisture-managing fabric, Space-dye effect, Crew neck, Raglan sleeves, Jack Wills Sporting Goods logo, Fitted trims, Contrast panel to back, Regular fit - true to size. Born in Devon back in 1999, British label Jack Wills made a name for itself designing heritage-inspired wares for the university crowd. Now launching its Sporting Goods range, the brand offers a gym-friendly collection of sweats, joggers and T-shirts, all crafted from technical fabrics designed to wick away sweat, boost airflow and maintain body temperature.