Smartwool Merino Boxer Brief Boxed - Men's Light Gray Heather Small. With features designed to eliminate chafing and provide support Men's Everyday Exploration Merino Boxer Brief is designed to ensure that you will feel great - or at least your underwear will. Specifications for Smartwool Merino Boxer Brief Boxed - Men's: Manufacturer: Smartwool Inseam Size: 4.75 in Apparel Fit: Slim Age Group: Adults Application: Casual Gender: Male Fabric/Material: 88percent Merino Wool/12percent Nylon Last Chance: Yes Package Contents: Smartwool Merino Boxer Brief Boxed - Men's Smartwool SW0169985451-S: Merino Boxer Brief Boxed - Men's Light Gray Heather Small