[ak]® Helium Fragment Vest product-code-ARB-SNO-CADE-WMN-2026-WT26 designed in Canada 🍁 for

designed in Canada 🍁 for maximum warmth and comfort

and team testing has proven its lasting durability and performance

do you have the keys

A pull tab at the back ensures easy wearability for every journey

the Mega Merc harnesses its 3D Thermopolymer Starship Core™ with an all-new Hybrid Holy-Sheet™ Tri/Tri MEGACARBON™ configuration and MEGADRIVE™ XT base for unparalleled all-mountain performance

[ak]® Helium Fragment Vest product-code-ARB-SNO-CADE-WMN-2026-WT26 designed in Canada 🍁 forDescription Insulated Winter Vest. Breathable warmth, stretch comfort, and limited edition Hiroshi Fujiwara stealth style. The men's Burton [ak] x FRAGMENT Helium Stretch Insulated Vest combines authentic backcountry performance with signature Hiroshi Fujiwara style that blends naturally into any environment, from the backcountry to cityscapes. Breathable and lightly insulated, it's the lightweight layer you can wear on the up and the down to simplify