Sweatshirt by HIIT, Part of a co-ord set, Mix and match, Crew neck, Raglan sleeves, Striped design, Regular fit, No surprises, just a classic cut. Look stylish without breaking a sweat with HIIT's drop of activewear. The label's monochrome palette plays out across a streetwear-inspired range of tops, leggings and sports bras all kitted out with breathable mesh panels and handy zip pockets.