Some long sleeves just exist — this one actually works. The Klättermusen Root logo long sleeve tee is a midweight organic‑cotton layer designed for the shuffle between trail and city. The soft, dry‑touch fabric stays breathable, while seamless shoulders and reinforced hems keep movement smooth and durability high. 100% Organic Cotton 210gsm Jersey Seamless Shoulder Construction Webbing Lined Neck Double Needle Stitch At Sleeve & Hem Embroidered Chest Branding Style Code: 10422-120