Base Layer Tops

A hybrid merino wool baselayer that manages moisture to keep you dry during any high-output, cold-weather pursuit. A year-round, cold-conditions baselayer that manages moisture during high-output pursuits on foot, skis or two wheels, the Basis PeakWool™ Half Zip features a highly breathable, layered construction that offers the benefits of both natural and synthetic fibers. Made with PeakWool™ Double Jersey fabric, the Basis features soft, ultra-fine merino wool next-to-skin to wick moisture, and a quick-drying polyester outer that adds strength and durability. The fabric also features a high-efficiency grid backer, which traps warm air, aids in moisture transfer and makes for faster drying. The classic zip-neck design provides added coverage and quick ventilation, while flatlock seams make for chafe-free comfort when you’re on the move. PeakWool™ Double Jersey, Double Knit Jersey, 56% RWS-Certified Merino Wool, 23% TENCEL™, 12% Recycled Nylon, 7% Nylon, 2% Spandex, 280g/m2 PeakWool™ Double Jersey is a midweight fabric constructed with Merino Wool, TENCEL™, Recycled Nylon and Spandex. The natural properties of Merino regulate body temperature, keep odors at bay and manage moisture to keep you dry. The addition of synthetic fibers increases softness, adds strength and elevates its wicking properties. PeakWool™ excels in cold temps by keeping your core warm and dry, while enabling heat transfer when the tempo picks up.