Devold Endurance Cover Zip is designed for endurance training, regardless of weather and activity. This product is the result of our constant pursuit to create garments that are truly functional and can withstand the toughest conditions and the test of time. The front, shoulders, and upper arms are woven from a super-lightweight, wind-resistant merino blend, while the back, neck, and underarms are made from 100% soft merino wool for optimal comfort and moisture-wicking properties. The Cover Zip wool shirt is durable and suitable for use as a standalone garment or as an additional layer of insulation. The wool products in the Endurance collection feature a clean design with smart solutions that utilize the latest technologies and the finest merino wool—so you can move with style, comfort, and lasting quality. - Two-way zipper for flexible ventilation - High collar for extra weather protection