SherpaAdventureMensSizeChart A lightweight full-zip jacket made of two-sided fleece, brushed on both sides for comfort and warmth. The Sonam has a classic silhouette and subtle heritage details like a climbing rope inspired drawcord, a chest pocket with a button closure and a faux-leather Sherpa logo patch. Made primarily from recycled polyester fabric. Features: - The fabric's unique texture enhances performance by trapping air and retaining body head; it has a great warmth-to-weight ratio and is warm without being weighty - Pockets: Chest pocket with a button closure; two flapped zippered hand pockets; internal drop-in stash pocket - Seams are placed away from shoulder tops and hips to avoid chafing under pack straps - Includes a unique low profile media system with a media port and earbud guides - Weight: 440 g. (15.5 oz.) - 200 wt Polartec(R) Thermal Pro with Repreve: 53% of which is recycled polyester / 47% Polyester