| Windproof yet breathable. Warm yet lightweight. Water resistant with stretch. THE ONE™ JACKET features temperature-regulating AERO™ KNIT technology for breathable comfort and performance. Underarm knit gussets provide stretch and release excess heat during high-output activity. There is only one! Fabric 100% Nylon AeroKnit™ | 100% Polyester 83% Nylon, 17% Spandex Insulation 100% Polyester |
