Start your winter wardrobe off right with the Minus 33 Mid-Weight Crew Neck Top. Made with 100% 18.5 Micron Merino Wool, this long sleeve shirt features 230 g/m2 interlock knit construction that keeps you warm and offers a great fit. Flat lock seams are durable and prevent chafing for all day comfort. The mid-weight fabric is machine washable and machine dryable for easy care and is ideal for fall and winter seasons.