Smartwool Classic All-Season Merino Base Layer 1/4' zip Men's Size:L Get up to 20 days

Get up to 20 days of battery life in smartwatch mode with solar charging1

With an improved design providing you with more usable space these bags just got better

Taped seams

Repair Pipe

They're a great first

Smartwool Classic All-Season Merino Base Layer 1/4' zip Men's Size:L Get up to 20 daysOur popular Classic All Season Merino Base Layer 1 4 Zip is the perfect base layer for warm or cold weather. This top uses our All Season weight Merino fabric wrapped around a nylon core to increase durability, while still keeping the 100% soft, Merino wool you love next to skin. Side seams help minimize chafing while wearing a pack and offer a body enhancing fit. This base layer is comfortable, powerful, sustainable, and, frankly, do it all able.