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The Alpine Onset 240 Base Layers are a midweight insulator, featuring soft and naturally anti-odor 100% merino wool for superior moisture wicking and durability, the perfect foundation for an elite performance outerwear kit.
Outdoor Research® gear is guaranteed to perform throughout the lifetime of the product.
Free standard shipping on orders over $99 + easy returns.* Final sale products are non-returnable.
The Alpine Onset Merino 240 Crew 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 Crew is an essential foundation to any performance cold-weather kit.
*All sizing is based on your body measurement.We adjust the garment for intended fit and intended use.
Conforms to the shape of the body.
Form fitting base layers worn under other garments.
Close-cut apparel that moves with the wearer.
A traditional fit for comfort in both technical and casual apparel.
