SmartWool Classic All-Season Merino Base Layer 1/4 Zip Top - Men's

Meet your new go-to top for all of your adventures, Smartwool's Classic All-Season Merino 1/4 Zip Base Layer. This top is made with soft Merino wool wrapped around a nylon core, that increases durability so you stay warm, dry and comfortable for year-round adventures. Side seams help minimize chafing while wearing a pack for a few hours or a few days. Lace up and head out in confidence this season in Smartwool's Classic All-Season Merino 1/4 Zip Base Layer.

• Front 1/4 zip for easy ventilation
• Flatlock seams reduce irritation
• Slim fit allows easy layering
• Winter 2025/26 product