34
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The Sitka Grindstone GTX Jacket is a rugged insulated work layer designed for demanding cold and windy conditions. PrimaLoft® Silver insulation provides dependable warmth, while WINDSTOPPER® by GORE-TEX LABS blocks wind to help maintain comfort during long days outside. A highly durable Gore and Cordura® laminated fabric adds abrasion resistance for jobsite, ranch, and field use.
| Size | Chest | Sleeve |
| Medium | 39" – 41" | 34" |
| Large | 42" – 45" | 35" |
| Large Tall | 42" – 45" | 37" |
| X-Large | 46" – 49" | 36" |
| X-Large Tall | 46" – 49" | 38" |
| XX-Large | 50" – 53" | 37" |
| XXX-Large | 54" – 57" | 38" |
How to Measure:
| Chest | Measure around the fullest part of your chest, keeping the tape under your arms and across your shoulder blades. |
| Sleeve | Bend your elbow and place your hand on your hip. Measure from the center back of your neck, across your shoulder, down your arm, over the elbow, and to the wrist bone. |
| Material | 100% Nylon Cordura Oxford fabric |
| Wind Proof | Yes |
| Insulation | 100 grams PrimaLoft Silver synthetic |
| Manufacturer Warranty | Lifetime against manufacturer defects |

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