Norwegian brand ACLIMA WOOLNET® CREW NECK is a base layer top designed for high-intensity activities when moisture transport, weight, ventilation, and the highest functionality is the most important. The net construction creates small air pockets that provide excellent insulation, reducing overheating. Thanks to the material’s ability to transport moisture, the temperature is regulated during high and low intensity levels, almost like a thermostat. The wool net is fast drying and comfortably stretchy. SZS 16" pit to pit 30.5": neck to bottom 27" arm length https://www.cryeprecision.com/WoolNet-Crew-Neck-Shirt