An incredibly warm foundation for cold-weather layering from the ski hill to the snowshoe trail, the 260 Tech Long Sleeve Crewe features soft and breathable 100% merino wool jersey fabric.A warmer version of icebreaker’s best-selling Oasis, the 260 Tech offers ample insulation and naturally resists odors.Gusseted underarms, backward set side seams and offset shoulder seams improve range of motion and prevent chafing.Inspired by nature, icebreaker harnesses the performance qualities of natural fibers to offer an alternative to clothing based on petrochemical synthetics.Merino is an annually renewable fiber that naturally resists odors, keeps you cool when it’s hot and warm when it’s not, and lets your skin breathe for comfort all day, every day.FEATURES:Soft merino fibers that regulates body temperature in all weather conditions and resists odors.Gusseted underarms for mobility and comfort.Offset shoulder seams to prevent friction.Flatlock seams to prevent friction.Backward set side seams to prevent friction.Benefits:100% Pure Merino.Body temperature regulation.Breathable.Moisture wicking.Odor resistant.Warm when wet.Biodegradable fiber.Through merino wool Icebreaker is able to create a sustainable product.Wool is a natural, durable and biodegradable product.Icebreaker wool is obtained following ethical criteria and is part of the ZQ program that ensures that farmers take care of the sheep and the land they inhabit.