Sub Sports are a leading manufacturer of technical 1st layer sportswear aimed at athletes from amateur to elite level. We are a British brand who has experience in almost every sport and outdoor pursuit imaginable, with a range of baselayers designed to tackle any climate, all year round. SUB DUAL is an all-round baselayer designed for every type of athlete. It adapts to the external climate, keeping your body cool when it"s hot, and warm when it"s not. The compression improves blood flow, which helps oxygen reach the brain faster and reduce the build-up of lactic acid. This baselayer offers high-end performance on a budget, and will last season after season. Please refer to the Sub Sports size guide below the product pictures. Please also note, this range of compression wear has a tight fit. For a less tight fit, please go the next size up