The warmest synthetic insulated GORE-TEX jacket we offer for enduring warmth in the absolute coldest conditions.

In the coldest, wettest conditions, warmth and dryness are equally critical. That's why the Men's Burton [ak] Helitack Stretch Jacket 2025 is powered by a sustainably-superior blue sign approved combo of mapped stretch insulation and Burton-exclusive GORE-TEX two-layer fabric. The elemental result is ultimate warmth, waterproofing, and breathability even in the wettest conditions. The full package is backed by our lifetime warranty and includes a full array of features, such as YKK water-resistant zips, a removable snow-blocking waist gaiter, and an internal dump pocket for on-hill supplies.

• Regular articulated fit is just right: Not too tight or too baggy, with shaping at the elbows and shoulders for easy movement
• GORE-TEX two-layer fabric with integrated stretchy materials for easy movement is windproof, waterproof, breathable, and durable: It's the versatile solution to staying warm and dry while moving outside; GORE-TEX fabric is GUARANTEED TO KEEP YOU DRY
• Offers breathability for medium-intensity activities with moderate sweat management for quick-drying comfort with the durability of a GORE-TEX membrane for reliable weatherproofing. Zip vents enhance breathability during more intense activity and in warmer conditions.
• Therma core stretch insulation [100g body/60g sleeve] for focused warmth and enhanced breathability; GORE-TEX seam tape provides durable seam protection for a completely weather and waterproof design; Living Lining mapped with lightweight 20D ripstop down proof water-repellent coated fabric provides consistent temperature regulation without adding bulk or weight
• Mesh-lined, no-snag Pit Zip vents; No-lift underarm gusset; Storm Form attached hood with drop construction and Cohaesive embedded cinch and hood length adjustment; YKK water-resistant zippers
• 200D nylon side panels provide durability; Stretch fabrication; Ergonomic water-repellent zip-out stretch waist gaiter with jacket-to-pant interface
• Zippered hand-warmer pockets, chest pockets, and bicep pass pocket, interior power mesh dump pockets, and zippered interior media/goggles pocket with therma-pocket for keeping your device warm
• bluesign approved materials use only safe chemicals and reduce impact on both humans and the planet during manufacturing.