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***These pants feature the patented Contour Waist™ system with up to 3" of adjustment and are sized to accommodate layering. If you wear a large in Stone Glacier base layers, you will also wear a large in their other layers. Reference the Size Chart below if you are unsure***
The Stone Glacier Grumman Down Pant delivers exceptional warmth in a lightweight, highly packable design for hunters facing cold backcountry conditions. Insulated with 850+ fill power HyperDRY™ goose down and protected by a wind-resistant 15D Pertex® Quantum shell, it offers an outstanding warmth-to-weight ratio without adding unnecessary bulk. Full-length side zippers open completely from the waist to the cuff, allowing for quick layering over boots and outerwear when temperatures drop. Updated with a quieter micro-ripstop face fabric and a slimmer waist for improved comfort under a pack belt, the Grumman also stuffs into its integrated storage pocket for easy packing between glassing sessions and long hikes.
| Weight | 13.6 oz (Size Large) |
| Material | 15 Denier Pertex Quantum Shell |
| Insulation Type | 850+ fill power goose down |
| Fill Weight | 4.2 oz |
| Manufacturer Warranty | Lifetime warranty on materials and workmanship |
| Size | Waist | Beltline | Inseam |
| S | 29" | 29-31" | 31" |
| S/M | 31" | 31-32.5" | 31" |
| S/MT | 31" | 31-32.5" | 36.5" |
| M | 32" | 32.5-34" | 32" |
| MT | 32" | 32.5-34" | 36.5" |
| M/L | 34" | 34-36" | 33" |
| M/LT | 34" | 34-36" | 36.5" |
| L | 36" | 36-38" | 33" |
| LT | 36" | 36-38" | 36.5" |
| L/XL | 37" | 38-39.5" | 36.5" |
| L/XLT | 37" | 38-39.5" | 36.5" |
| XL | 38" | 39.5-41" | 33" |
| XLT | 38" | 39.5-41" | 36.5" |
| XXL | 40" | 41-43" | 33" |
How to measure:
| Waist | Measure around your waist at the point where you normally wear your pants or belt |
| Inseam | While standing, measure from your crotch down the inside of your leg to the floor |

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