Size S. #Multi-Bet Outdoor 【Product Details】 A mid-weight layer made from a blend of recycled polyester and merino wool. Even on days with clear air and the threat of frost, this super-soft base layer 1/2 zip top will keep you warm while enjoying the outdoors. 【Key Features】 ●Flat Out Seams For No-Chafe Comfort 　We've overturned the conventional wisdom of traditional flat seam construction. 　Unlike conventional methods, the stitching is reversed, placing a flatter, softer surface against the skin. 　This reduces unnecessary chafing, itching, and friction. ●Moisture Wicking 　Excellent moisture-wicking properties, allowing absorbed moisture to escape to the outside of the fibers. ●Naturally Odor Resistant 　Odor-resistant effect prevents the generation of odors. ●4-Way Comfort Stretch 　4-way stretch enhances elasticity for a comfortable fit. ●Three-D Fit For Enhanced Range Of Motion 　3D fit improves athletic performance. ●Sustainable Recycled Polyester Content 　Uses sustainable recycled polyester. ●Thermoregulating 　Excellent temperature regulation function. 【Material】 84% Recycled Polyester 11% Merino Wool 5% Polyurethane 【Size】(cm) S / Length (flat) (70)・Sleeve Length (flat) (83)・Chest (91-96)