Slim fit long sleeve base layer Fabric combines moisture management, temperature regulation, and odor resistance of Merino with the softness and cooling properties of TENCEL™ Lyocell performance fabric Mesh ventilation seamlessly knit in gender-specific zones designed to keep the body dry and comfortable during high-intensity activities Minimal seams to reduce chafing and allow you to work out distraction-free Works with a body in motion and provides a supportive fit for performance and training Country of Origin : Imported Fabric : 51% Merino Wool / 22% Polyester / 20% Lyocell / 7% Elastane