Smartwool Thermal Base Layer 1/4-Zip Size Medium In great pre loved condition loved condition Does have minimal wear no pilling just fuzzies Stay comfortable through all your cold-weather activities with SmartWool's Classic Thermal zip neck base layer top, crafted in wicking, temperature-regulating merino wool with body-enhancing seam placement and a movement-friendly fit. Slim fit Super breathable, moisture management, odor-resistant Flatlock seam construction Mock neck over zip front 100% Merino wool Machine wash