Open Box Dealer Demo Smartwool Merino 250 Baselayer Crew - Men's Black Extra Small. We've updated this 100percent Merino wool fan favorite with new colors and a new fit to improve functionality while enhancing aesthetics. Shoulder panels eliminate top shoulder seams and a flatlock seam construction helps prevent chafing. Add one of our best base layers for cold weather to your winter wardrobe and experience the difference the next time you go skiing hiking climbing or biking. Specifications for Smartwool Merino 250 Baselayer Crew - Men's: Manufacturer: Smartwool Sleeve Length: Long Sleeve Age Group: Adults Apparel Fit: Slim Gender: Male Application: Layering Shirt Style: Base Layer Shirt Fabric/Material: 100percent Merino Wool Weight: 9 oz Lining Material: 100percent Merino Wool Application: Layering Apparel Weight: Midweight Water Resistance Level: None Sleeve Type: Long Sleeve Features of Smartwool Merino 250 Baselayer Crew - Men's Slim Fit 100percent Merino wool fabric made with an interlock knit for enhanced comfort breathability thermoregulation and odor resistance Fit updated to improve functionality while enhancing aesthetics Shoulder panels eliminate top shoulder seams Flatlock seam construction designed to minimize chafing Knit in Vietnam: 100percent Merino Wool Package Contents: Smartwool Merino 250 Baselayer Crew - Men's Smartwool SW016349001XS: Merino 250 Baselayer Crew - Men's Black Extra Small