Isadore's flagship short sleeve, the Echelon Aero, is a jersey designed for high-speed rides yet comfortable enough for all-day wear. Featuring an aerodynamic race fit enhanced by a longer sleeve length and higher compression ratio, the Echelon Aero Jersey is constructed using two stretch materials with a high proportion of recycled materials and has been wind tunnel tested to reduce air resistance up to 36 km/h. Designed for fast rides and races Fabric hugs the body to enhance performance and provide muscle support Moisture wicking Extremely breathable, prevents overheating Super smooth to the touch Aerodynamic Medium to high compression Odor control YKK semi-automatic vislon® zipper for easy ventilation Reduces air resistance at speeds higher than 36 km/h Reflective detailing for visibility Three back pockets UPF 50+ for full sun protection