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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 $75 + easy returns.* Final sale products are non-returnable.
*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.