Zoom icon Click to expand Tap to zoom Chevron down icon Chevron down icon Women's Alpine Onset Merino 150 Bottoms by Outdoor Research Sold out $99.00 charcoal heather / S - Sold out charcoal heather / M - Sold out charcoal heather / L - Sold out charcoal heather / XL - Sold out charcoal heather Color Chevron down icon S M L XL Size Chevron down icon Availability: Translation missing: en.general.icons.icon_check_circle icon Out of stock 1 2 3 4 5 6 7 8 9 10+ Quantity Chevron down icon Quantity Sold out Spinner icon Looking for Local Pick-up? Choose a store below. Product Locator by Locally Notify me when back in stock Email address Email me when available The Alpine Onset 150 Base Layers are a lightweight insulator, featuring soft merino wool blended with recycled polyester for superior moisture wicking and durability and are the foundation for an elite performance outerwear kit.