Our BoundaryLine Insulated Jacket is designed to tackle arctic in-bounds sessions, and features a super-warm, protective construction to keep you running laps when everyone else is running indoors. The stretch 20k/20k laminated waterproof/breathable BD.dry™ fabric with Green Theme Technology's revolutionary Breathable Water Protection DWR-an environmentally friendly, PFC-free DWR that's superior in performance and substantially more durable than other DWR solutions-easily sheds winter weather, while high performance Thermolite® synthetic insulation fends off teeth-chattering temps even in damp conditions. Underarm zip vents dump excess heat when you're booting up to the goods or skating the flats back to the lift, while the internal powder skirt, helmet-compatible hood and drawcord hem help batten down the hatches when the storm totals climb into double digits.