The North Face ThermoBall Trekker Vest uses ThermoBall™ synthetic insulation made from recycled polyfill, which stays warm even when wet. It packs into its own pocket for travel or emergency layering.
- 15D 33 g/m2 100% nylon with non-PFC DWR finish
- 11.5 g/ft2 ThermoBall™ synthetic insulation, 100% recycled polyfill
- Contoured baffles hold core warmth
- Secure-zip hand pockets
- Stows in left hand pocket
- Hem cinch-cord
- Sizes S–3XL





