Eberlestock's Lochsa Merino 1/2 Zip Hoody is the perfect choice for a base layer or as an outer layer in mild environments. Offering easy venting, quick removal, and robust construction, the Lochsa Merino 1/2 Zip Hoody provides the thermal efficiency necessary for colder environments. Crafted from a 93.5% merino wool and 6.5% Spandex blend, these garments trap body heat while maintaining breathability, preventing overheating and keeping your temperature regulated during low or high intensity activities, even in freezing conditions. Features of the Lochsa Merino 1/2 Zip Hoody: Quick drying Moisture wicking UPF Protection Anti-microbial Eberlestock Lochsa Merino 1/2 Zip Hoody Black Medium L12BM