Elite Midweight Layering Foundation With 100% Merino Wool.

The Alpine Onset Merino 240 Half-Zip is a go-to base layer for early morning starts and afternoon bike rides, whether headed up a 14er or cruising to the market.

The 100% merino wool construction is naturally anti-odor, moisture-wicking, breathable, and soft next to the skin. The non-mulesed natural wool fibers are lightweight, quick-drying, and perfect for regulating temperature. UPF 30 protects from harmful sun rays, and the flat-seam construction ensures chafe-free comfort all day long.

Built with lightweight, breathable comfort for any activity, the Alpine Onset Merino 240 Half-Zip is an essential foundation to any performance cold-weather kit.