Icebreaker Size Chart Featuring an unmatched combination of warmth, lightweight packability and protection that's crucial for alpine pursuits like climbing, skiing and trekking, the Hyperia Lite Jacket offers technical performance with natural merino insulation. The Hyperia's ultralight yet durable Pertex(R) Quantum Air shell features a DWR finish that sheds variable conditions. Inside, MerinoLOFT insulation retains warmth when wet and naturally helps regulate body temperature to keep you comfortable everywhere from local rock climbs to backcountry hut trips. Zippered hand pockets and an internal zip pocket store small essentials, offset shoulder seams eliminate chafing when you're moving with a pack, and the jacket stows in its internal pocket. Features: - Lightweight Pertex(R) Quantum Airfabric for durability and compressibility - Reverse coil center front zip with DWR - Zipper chin guard and interior storm flap prevent chafing - Offset shoulder seams and no quilting prevent pack rub - Narrow side panel quilting for contour body fit, layering ease, and range of mobility - Zippered hand pockets with DWR - Zippered interior security pocket - Packable into interior pocket - Drop tail hem for added coverage - Weight (Size Medium): 292 g / 10.3 oz - Face: 100% Nylon Fill: 70gm MerinoLOFT(TM) 88% Merino Wool, 12% Polylactide - Lining: 100% Nylon