Leggings by HIIT, Witness the fitness, High-rise waist, Elasticated waistband, Seamless design, Stripe and logo detail, Bodycon fit, Holds you close. 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.