Published by at 03/08/2026 New with tags! My items have been washed if able, and are from a smoke free home. Please see photos for all specifics and measurements to ensure a proper fit before purchasing. I will ship in 1 business day! If you have any questions, please ask! Brand: Outdoor Research Product Type: Alpine Onset Merino 150 Half Zip Material: 47% Wool, 47% Recycled Polyester, 6% Spandex Neckline: Mock Neck with Half Zip Sleeve Length: Long Sleeve Features: Breathable, Moisture Wicking, Lightweight, Stretch Style Number: 283223 Color: Charcoal Heather Keywords: Gorpcore, Hiking, Base Layer, Merino Wool, Outdoor, Athletic, Winter, Camping, Performance, Minimalist, Sustainable, Activewear, Travel, Layering, Thermal