Coldblackreg technology guarantees a minimum upf 30 protection when applied to any textile in any colour without affecting the look or feel of the product this tri suit has a close body fit with front zip side pockets for energy gels and a lightweight high density and low profile 3d chamois low friction lower weight lower fluid and heat absorption combined with a fit pattern unique to huub they felt the days of research and testing have created a garment youll never want to take off