Features:- Merino wool fabric made with an interlock knit for enhanced comfort, breathability, thermoregulation, and odor resistance- Merino-covered elastic waistband adds comfort- Flatlock seam construction designed to minimize chafingSpecifications:- Fit: Slim- Fabric Weight: 250 G/M2- Garment Weight: 125 G Or 4.41 Oz- Content: 100% Merino Wool Exclusive Of Decoration. Compare prices from: Smartwool in Men's Underwear