The S-PHYRE Windresistant Jersey incorporates 37ºC Temperature Regulation technologies with Anatomic 3D construction to deliver exceptional fit, aerodynamics, and cold weather versatility for off-season training comfort. MicroVents offer active ventilation without added weight or aerodynamic penalties. Super-flexible #5V zipper allows the jersey to conform to the rider even in cold weather. Water-repellent membrane and coated fabrics guard against changing weather conditions. Thermal air space created by the brushed fleece quilted interior surface offers comfortable warmth. Flat-finish cuffs are system engineered to work with S-PHYRE gloves, and a rear reflector panel for low light conditions rounds out the package.