Castelli Womens Free Tri Singlet (2016) Tri

Even the back fabric shows the engineering in this garment: wind tunnel tested for on-bike speed, it also provides exceptional cooling while offering UPF 16 protection. That means that 94% of UV rays are blocked, providing a reasonable level of protection, but it can be combined with sunscreen for those with sensitive skin. Ratings out of 5 Windproofness - 1 out of 5 Waterproofness - 1 out of 5 Insulation - 1 out of 5 Breathabiliy - 4 out of 5 Lightweight - 4 out of 5