Modeled after what the BMC Pro Team wears in the World Tour peloton this jersey is designed for superior aero efficiency anatomic fit & comfort. Our patentpending Speed Sleeve construction eliminates wrinkles around the shoulder & coupled with our textured Transfer Aero fabric it delivers a significant reduction in aerodynamic drag. Seven sizes including special in-between S/M & M/L options mean you can dial in a perfect fit. Pairs with our PRO Pursuit Bib Short for the ultimate high performance kit P.R.O. Transfer In-R-Cool® fabric powered by coldblack provides optimal cooling & reflective sun protection PRO Aero fabric in key leading edge areas reduces aerodynamic drag Patent-pending anatomic Speed Sleeve construction Flatlock seams for smooth interior construction Full length zipper for venting Three back pockets with hidden sweat-proof pocket Form Fit Weather forecast: Hot & sunny Temperature rating: 25 degrees Fabrics: Body with made from 80% polyester 20% elastane with coldblack® technology & UPF40 & aero panels are made from 78% polyester 22% elastane with UPF 50 protection