Lightweight, Breathable Polartec® Fleece for Cool Weather Mountain Movement The OR Polartec® 200 Beanie is a midweight essential for cold-weather activities, offering breathable warmth and performance for everything from alpine climbs to winter trail runs. Made with Polartec® technology and bluesign® approved materials, this low-profile beanie provides warmth without bulk, making it perfect for layering under a helmet or wearing alone. The breathable recycled fabrics are moisture-wicking and durable, keeping sweat in check during high-output efforts, while UPF 50+ sun protection protects against harsh alpine UV rays. Whether skinning up a ridgeline, setting up camp on a cold evening, or logging miles on snow-covered trails, the OR Polartec® 200 Beanie delivers lightweight insulation and all-day comfort.