Smartwool Merino 250 Base Layer Crew - Men's Clothing : Nival Blue : Add serious comfort to your everyday wardrobe with the Smartwool Merino 250 Base Layer Crew shirt. ; Slim fit hugs the body while still leaving room for movement. ; Merino 250 wool fabrication features interlocking knit and all-day comfort. ; Flatlock seams help prevent skin irritation. ; The sweatshirt has as crew neck, long sleeves, and a straight hem. ; 100% merino wool. ; Machine wash, tumble dry. ; Imported. Measurements: ; Length: 29 in ; Sleeve Length: 32 in ; Product measurements were taken using size XL. Please note that measurements may vary by size. | Smartwool Merino 250 Base Layer Crew Men's Clothing Nival Blue : MD