Isadore's Men's Custom Sample Series Race Line Jersey. Built for speed, the Race Line Jersey combines ultra-lightweight, high-compression fabrics with an aerodynamic, second-skin fit. Inspired by our Echelon collection, it features breathable micro-perforated fabric through the torso and aero-channeled sleeves and shoulders for reduced drag during high-intensity efforts. Designed with a shorter torso, extended sleeves, and a secure silicone hem, it stays streamlined and locked in place from start to finish. Ultra-lightweight, medium-to-high compression construction Micro-perforated torso fabric for breathability and moisture control Aero-channeled sleeves and shoulders to help reduce drag Precision-cut, second-skin race fit Shorter torso and extended sleeve length Narrow silicone hem gripper for a secure fit Lightweight YKK® NATULON® zipper Three rear pockets plus one zippered valuables pocket Made with recycled materials Made in EU; optimized for 16°C–28°C riding conditions
