A lightweight zipped fleece base layer with excellent moisture management for cold weather. Cold days and long approaches call for breathable insulation and plenty of venting. Made for multiple activities with chafe-free seams throughout, the Rho Zip Neck is your base layer of choice for steady efforts in cool to cold temperatures. Its zip-down collar regulates extra warmth, while the light next-to-skin fit ensures soft, fleecy comfort as well as excellent heat trapping and moisture wicking.