Smartwool long sleeve base layer top crafted from 100% Merino wool for natural warmth and moisture management. This lightweight crewneck features flatlock seam construction to minimize chafing and a subtle logo hit on the sleeve cuff. The dark olive green heathered knit offers a versatile look suitable for outdoor activities or casual layering. High-quality natural fibers ensure breathability and odor resistance for active use. Thank you for the consideration in this item.