barometric pressure equalization prevents fabric ballooning at altitude
The cosy layer that's always up for an adventure - meet the Heli Down Jacket. With 600-fill down insulation, this jacket packs a serious warmth punch without weighing you down. Perfect for everything from urban escapades to outdoor adventures, the Heli's got you covered. Lightweight and packable, it's the jacket that says, "Bring it on!".
Dynamic gusseting enables full stride length during trail runs