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HOME > Sitka Kelvin Active Jacket

Sitka Kelvin Active Jacket

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SKU: SIT30055-OB-S



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Product Description

Sitka Kelvin Active Jacket
A necessity for any true backcountry outing, the Kelvin Active Jacket features 80 gram Polartec® Alpha insulation for maximum versatility - an ideal outer layer in mild conditions and perfect insulation under a shell when the mercury plummets. Soft, quiet and breathable, this workhorse knows no off season.

Polartec Alpha Active is a non-migrating lofted fleece insulation that offers superior breathability and moisture management. This versatile insulation allows us to construct a garment with a more open liner fabric, greatly improving breathability. By keeping moisture vapor moving freely through the fabric, it increases overall air exchange and speeds up dry times. This advancement increases thermal adaptability in changing conditions and different phases of physical activity. The DWR finish resists light precipitation and prevents the face fabric from wetting out. The zippered chest pocket secures your necessities and doubles as a stuff sack. Hand warmer pockets are lined with brushed fleece for added warmth. The neck and chin are lined with a brushed tricot to prevent chafing and add warmth and comfort.


  • Highly breathable and thermally regulating
  • Durable water repellent finish
  • Brushed fleece hand zip pockets and interior zip chest pocket
  • Neck and chin w/ brushed tricot lining
  • Weight: 13.7 oz // Large
  • Insulation: 80 g/m2 Polartec® Alpha Insulation
  • Materials: Shell // 20 denier Nylon Ripstop Liner // Breathable Polyester Mesh