The Sidewinder Wool Long Sleeve Shirt is a midweight performance Merino wool blend crafted with a combination of polyester and nylon to deliver thermoregulation, natural odor resistance and warming properties of wool, alongside the moisture-wicking capabilities of polyester and the strength of nylon. Engineered stretch provides enhanced range of movement, while the dual-layered fabric construction provides breathability. Enjoy a classic henley styling and ultimate comfort with flat seam construction and offset shoulder design, minimizing bulk and seam chafing for easy layering while working in the garage or on your way to go ride. Midweight performance Merino wool, polyester and nylon blend for thermoregulation, natural odor resistance, warmth and moisture-wicking 17.5 micron Merino wool Engineered stretch for increased range of movement Highly breathable dual-layered fabric construction Flat seam construction and offset shoulder seams for reduced bulk, improved comfort and easy layering Henley styling FIT: Regular Fit FABRICS: 58% Merino wool, 34% polyester, 8% nylon | 6.5 oz/sq. yd; 220 GSM