GRUMMAN DOWN JACKET

The Grumman Goose Down Jacket brings the ultimate in packability, warmth, and protection to the backcountry hunter. We set out to design a piece that truly met our definition of “Ultralight.” The combination of a Pertex® Quantum shell with HyperDRY™ 850+ Fill Power DWR treated down makes this a highly technical insulation piece unlike any other in the hunting industry. Weighing only 11.8 oz. with 5.3 oz. of 90/10 goose down fill, you will be hard pressed to find another down jacket with comparable stats. 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.

SPECS

• Weight - 11.8 oz. (L)
• 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”

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.

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.

Super DWR is a water repellent finish that maintains its high performance through extended wash and wear cycles.

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.

Additional information