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At first glance you’ll think they’re yoga pants, until you realize they’re built for blizzards, not downward dog. The Burton AK Helium Stretch Insulated Pants are a lightweight, breathable mid-layer designed to slide effortlessly under your 3L shell or keep you cozy around base camp. With a seamless, yoga-inspired waistband and soft cuffs that shift up over boots, they deliver low-bulk warmth and all-day comfort whether you’re skinning, riding, or just lounging after.
Stretch Breathable Lightweight 20D Nylon / Spandex Plain Weave Water-Repellent Coated Fabric
Thermacore Stretch Insulation (40g) – Offers superior warmth-to-weight performance in a low-bulk design that won't restrict your movement, providing insulation that is designed to move with you and uses bluesign® approved materials that are safe for people and the planet.
Regular FIt – Stretchy and breathable technical mid-layer insulator pant intended to be worn under 3L shells or at base camp.
Zippered Stash Pocket
Zippered Handwarmer Pockets
Stretch Fabrication
Stretch Binding at Cuffs
Reflective Details
YKK® Zippers