Discover the game-changing men's sports and leisurewear collection from HIIT. Heading for a workout? Check out performance gym clothes, tees, gym shorts and essential base layers. In need of some chill out time? There’s comfy sweats, joggers and sleeveless hoodies for that. Whatever sport you’re into, whatever your workout of choice, for rest days and recovery too, take it to the next level with HIIT.