Second-generation Sanremo short sleeve suit is faster than ever Velocity Rev2 main body fabric delivers aerodynamics with excellent fit and moisture management Back fabric is our Velocity mesh for breathability, yet it blocks 94% of UV rays for significant sun protection (UPF 16) Elbow-length sleeves with raw-cut edges for maximum comfort and aerodynamics Castelli's Sanremo front opening makes it easier to bend for cycling and straighten out for the run and swim, while also allowing for easier nature breaks or opening up for extra-hot runs 2 rear pockets lie flat in the swim but allow generous room for nutrition New short construction fits more securely with more muscle support GIRO4 flat leg grippers on longer legs for maximum aerodynamics KISS Tri seat pad that provides comfort on the bike and that you almost don't feel during the run WEIGHT: 218 g (Large)