New with tag SmartWool Classic Thermal Base Layer Top Merino Wool, Zip Neck, Long Sleeve Engineered with itch-free, temperature-regulating merino wool, SmartWool's Classic Thermal base layer top ensures you'll stay warm and comfortable in the snowy outdoors. Itch-free merino wool is temperature regulating, moisture wicking and odor resistant Interlock knit construction Zip neckline Raglan sleeves Chafe-free flatlock seams Base layer weight: Lightweight Made in Vietnam Specs Specs about SmartWool Classic Thermal Base Layer Top - Merino Wool, Zip Neck, Long Sleeve Base layer weight: Lightweight Long sleeves Closure: Zip neck Fabric: 100% merino wool Care: Machine wash, tumble dry Made in Vietnam