SITKA Kelvin Active Jacket (Discontinued)
- In stock, ready to ship
- Backordered, shipping soon
The perfect outer layer for your mid-season hunts, as well as an insulator for late-season glassing sessions.
The Kelvin Active Jacket is a versatile tool for backcountry pursuits. Featuring 80-gram Polartec® Alpha insulation, it is the perfect quiet outer layer in mild temps or as an insulator layered under a shell when the mercury dives. A zippered chest pocket secures at-hand essentials and doubles as a stuff sack. Soft, silent, and breathable, this workhorse knows no off-season.
*This product is final sale. See our return/exchange policy for more details: https://www.gearfool.com/policies/refund-policy
Specifications
GORE™ OPTIFADE™ Concealment Subalpine is designed for stalking and ambushing ungulates from ground level in tree-covered and vegetated terrain.
Insulation: 80 g/m2 Polartec® Alpha® Insulation.
Durable Water Repellent finish resists light precipitation and prevents the face fabric from wetting out.
Highly Breathable and Thermally Regulating: Polartec Alpha Active is a non-migrating lofted fleece insulation that offers superior breathability and moisture management.
Brushed Fleece Hand Zip Pockets and Interior Zip Chest Pocket: The zippered chest pocket secures your necessities and doubles as a stuff sack. Hand warmer pockets are lined with brushed fleece for added warmth.
Neck and Chin w/ Brushed Tricot Lining: The neck and chin are lined with a brushed tricot to prevent chafing and add warmth and comfort.
Polygiene® Odor Control Technology safely neutralizes odor caused from sweat.
Size Guide
MEN'S
| SIZE | CHEST | SLEEVE |
|---|---|---|
| Small | 36" – 38" | 33" |
| Medium | 39" – 41" | 34" |
| Medium Tall | 39" – 41" | 36" |
| Large | 42" – 45" | 35" |
| Large Tall | 42" – 45" | 37" |
| X-Large | 46" – 49" | 36" |
| X-Large Tall | 46" – 49" | 38" |
| 2XL | 50" – 53" | 37" |
| 2XL Tall | 50" – 53" | 39" |
| 3XL | 54" – 57" | 38" |
| SIZE | WAIST | REG | TALL |
|---|---|---|---|
| 30” | 30” | 31" | – |
| 31” | 31” | 31" | – |
| 32” | 32” | 31" | 33" |
| 33” | 33” | 32" | 34" |
| 34” | 34” | 32" | 34" |
| 35” | 35” | 32" | 34" |
| 36” | 36” | 33" | 34.5" |
| 37” | 37” | 33" | 34.5" |
| 38” | 38” | 33" | 34.5" |
| 40” | 40” | 33" | – |
| 42” | 42” | 33" | – |
| 44” | 44” | 33" | – |
| Small | 28” – 30” | 31" | 33" |
| Medium | 31” – 33” | 31" | 34" |
| Large | 34” – 37” | 32" | 34" |
| X-Large | 38” – 41” | 32" | 34" |
| 2-XL | 42” – 45” | 32" | 34" |
| 3-XL | 46” – 49” | 32" | 34" |
| SIZE | PALM CIRC | LENGTH |
|---|---|---|
| Medium | 8" – 8.5” | 7.5" – 8" |
| Large | 9" – 9.5” | 8.5" – 9" |
| X-Large | 9.5" – 10” | 9" – 9.5" |
| 2XL | 10" – 10.5" | 9.5" – 10" |
| SIZE | CALF CIRC | BOOT SIZE |
|---|---|---|
| M/L | 17.5" | US 6 – 10" |
| L/XL | 18.5” | US 10 – 14" |
HOW TO TAKE MEASUREMENTS

Expert Insights
The SITKA Kelvin Active Jacket is a team favorite for a vast spectrum of outdoor conditions. With it's being recently discontinued, there's no better time than now to save big on such a solid product.