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***Sitka's Standard Fit is designed to accommodate layering for added versatility across early-to-late season conditions.***
The Sitka Ambient 100 Shirt Jacket brings the adaptable warmth of the Ambient collection into a versatile everyday layer for changing conditions. Its 100-gram PrimaLoft® Evolve insulation provides breathable warmth during active use, while durable stretch nylon resists snags and pilling. A DWR finish helps shed light precipitation, and snap-front styling with zippered hand and chest pockets adds practical comfort for daily wear or time in the field.
| Insulation | 100 grams PrimaLoft Evolve |
| Material | Nylon stretch fabric with DWR finish |
| Manufacturer Warranty | Warrantied against manufacturer defects |
| 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. |

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