Fit & Design Regular fit is intended to give you room to move, without additional bulk Brittney lewis designs by Smartwool(R) Fabric combines the moisture management, temperature regulation, and odor resistance of merino with the durability and quick dry time of recycled polyester Flatlock seam construction designed to minimize chafing Offset shoulder seams designed to increase comfort Additional Details 56% Merino wool, 44% recycled polyester