For just the right amount of warmth during high-aerobic activity, reach for the new Regulator R1.5 with BioMap design. Co-developed with Malden Mills, our proprietary BioMap technology puts performance where you need it through the strategic and seamless placement of variable-knit zones to provide warmth, wick moisture, dissipate heat, improve mobility and trim bulk. With stretch throughout and a brushed, wicking interior for next-to-skin comfort. The R1.5 Pullover and Jacket feature a glued-on collar, cuffs, pockets and main zipper to complement the clean, minimalist design. Made in USA.