Top by HIIT, Add-to-bag potential: considerable, High neck, Seamless style, Racer back, Cropped cut, Bodycon fit, A tight cut to the body. 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.