New for 2013, this is a PrimaLoft® filled version of the BK Insulator with less quilting. The Burton ak Helium Insulator vest is weightless, and focused on warmth in a low-profile design that integrates under any AK shell.
Heathered DWR (durable water repellent) Coated Fabric 600 mm rated waterproofing
Buttery soft heathered DWR (durable water repellent) coated fabric (600 mm) providing advanced breathability and protection from rain, sleet and snow
PrimaLoft® Insulation Originally developed for the military, PrimaLoft’s compressible and extremely lightweight core structure suspends millions of air particles in a microfiber mesh. These microscopic air particles repel water while trapping heat to keep you warmer in the nastiest conditions, even after repeated washings.
[ak]™ Fit Engineered to mimic the body's natural movements while riding and hiking for articulated mobility that enhances the function first design.
Light reflective detailing
Handwarmer Pockets on Chest Easy access even with a pack on
Oversized chest pocket doubles as stuff sack for low profile packability.
Lightweight hideaway hood