Your Shopping Bag is Empty
Have an account?
Log in to check out faster.
Your Shopping Cart
Loading...
Free shipping on orders $99+
New fall arrivals are here! Shop Now
Find your perfect jacket. Take the quiz
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.
Orders over $99+ qualify for free standard shipping. Returns are easy and simple. Final sale products are non-returnable.
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.
