Your Shopping Bag is Empty
Have an account?
Log in to check out faster.
Your Shopping Cart
Loading...
Get your gifts on time! See Holiday Shipping Deadlines
Free shipping on orders $99+
Couldn't load pickup availability
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 shipping on orders $99+! Need it by the holidays? See our shipping page for all deadlines. Final sale items are not eligible for return or exchange. For more information, see our returns/exchanges page.
The Alpine Onset Merino 240 Crew is a go-to base layer for early morning starts, cold weather bike rides, or long days in the backcountry.
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 the sun's 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 addition to any closet.
*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.