200 Oasis long-sleeved T-shirt with half-length zipper sets the standard for all other garments. Icebreaker's best -selling base layer is a versatile top that offers everyday comfort and can be worn as warehouse garments all year round. Oasis is made of soft, ventilating and naturally undisturbed jersey material in 100% Merino. It also has a classic zippered collar that makes it a practical warehouse with rapid temperature control. The sub -sleeves and the iced sleeves provide better mobility and the offset axle seams and the flat lid seams prevent scabies.Icebreaker is inspired by nature and utilizes the performance properties of the natural fibers to offer an alternative to clothing based on petrochemical synthesis. Merino is an annual renewable fiber that naturally resists smell, keeps you cool when it is hot and warm when the cold strikes. At the same time, it lets the skin breathe which provides comfort all day, every day. 100% Superfine Merino