What Our Gearhead® Experts Are Saying:"This beanie shines when you’re moving fast. It’s super light, fits cleanly under a helmet, and the merino breathes really well so you don’t overheat. It’s not meant for deep-winter lounging—it’s a performance layer for running, touring, and high-output cold-weather activity."We reach for the Buff Lightweight Merino Wool Beanie when chilly weather calls for warmth that won’t slow us down. The ultralight merino knit regulates temperature naturally, offering just enough insulation during early-morning starts while remaining breathable when the pace ramps up. Its smooth, low-profile fit slips effortlessly under a helmet, making it a go-to choice for ski tours, cold-weather bike rides, and crisp trail runs. Merino’s natural odor resistance keeps it fresh through repeated wear, and the minimalist design packs easily into a pocket when the sun comes out. Simple, soft, and performance-focused, this beanie is built for movement—not bulk.