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Burton AK BK Down Insulator Jacket

sku# 89847
Burton - AK BK Down Insulator JacketBurton - AK BK Down Insulator Jacket
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Product Info

The ultra lightweight and extra-packable Burton AK BK Insulator Jacket is the ultimate companion for any of your extra cold adventures. Whether you're wearing it under a shell, storing it in your pack as an emergency layer, or just strolling around town, there's one thing that's guaranteed: warmth. This down jacket features weather-repellent ripstop fabric and ultra-premium 600 down for breathable, radiant heat. If your ride gets too warm, use the venting Pit Zips™ for a quick release of excess heat. A zippered chest pocket is the perfect solution for storing your valuables. Whatever and wherever you're headed, don't forget your Burton AK BK Insulator Jacket - you'll regret it if you do.

Product Details

Face Fabric

20D Ripstop NylonDenier is a unit of measure for the density of the fibers. The higher the number the softer and stronger the fabrics will be. With a rating of 20D for Ripstop Nylon, you achieve a durable and super soft garment.

Durable Water Repellent


90/10 Down RatioDown to regular small feather ratio. The higher the first number, the better the quality of your garment is. 90/10 is about as good as it gets!

600 Fill PowerThe fill power indicates the puffiness of the down garment so the larger the number, the better the insulation. Generally, a garment with 500+ fill power is exceptionally warm and compressible.


[ak] FitBurton’s [ak] fit is designed with performance in mind. The [ak] fit features articulation throughout the garments construction. This garment will provide you with room for a light to mid-weight layer underneath.


Fleece-Lined Handwarmer Pockets

Zippered Chest Pocket


Underarm VentsBurton’s Pit Zips™ can be easily accessed for a quick cool down.

Additional Features

Thumb Holes


  • Fit: Regular More 
  • Length: Waist-length
  • Material: Nylon
  • Insulation: Down
  • Fill Weight (g): 600
  • Hood Type: No Hood
  • Series: AK
  • Warranty: 1 Year

Other Notes

Burton products can only be shipped within the United States


Still not sure about the fit and sizing for this product? Call us at 1-866-386-1590