The best warmth for weight of any hooded jacket, Stone Glacier’s Grumman Goose Down Jacket delivers ultralight weight, water-resistant, down warmth with just the right amount of HyperDRY™ 850+ Fill Power - a revolutionary water resistant down. Weighing only 11.8 oz with 5.3 oz. of 90/10 goose down fill so you can pack it to your solo hunt and not worry about carrying extra weight. Pertex® Quantum fabric is designed to trap still air and improve the efficiency of insulation. This shell is Wind Resistant, Water Resistant and Breathable. A durable water repellent (DWR) finish will keep you hunting even with light rain and snow. A well fit hood, reverse coil YKK zippers, and a unique cuff design paired with strategic color blocking for breaking up body symmetry on the mountain have made this piece an office favorite at Stone Glacier. FEATURES 15 Denier Pertex® Quantum Shell 850+ Fill Power Goose Down HyperDRY™ DWR Treated Down 100% Traceable RDS Certified Down Articulated Hood 5.3 oz of Insulation Streamline Internal Cuff Elastic Waist Hem YKK Zippers Stuff Sack Included Size in Stuff Sack: 8” x 4” x 3.5” MPN: 20001 SPECIFICATIONS Weight: 11.8 oz Size Chart: Click Here PERTEX Pertex® Quantum uses a tightly woven structure to provide a light and soft fabric that allows insulation to fully loft while also being quiet, windproof, lightweight and packable. Y Fuse Pertex® Y Fuse fabrics use yarns with unique Y shaped filaments. These filaments create a tightly interlocking structure which improves downproof and water beading properties. The interlocking structure of Y Fuse fabrics remains highly stable over extended wash and wear cycles. HyperDry HyperDRY™ water resistant down is treated with a unique Fluorocarbon Free treatment that adheres to the down cluster that allows down to retain its superior warmth to weight ratio - even when wet. Responsible Down standard (RDS) All down products from Stone Glacier come from an RDS Certified Supplier. We only use down that comes from ducks & geese that were treated ethically.