Named for Ok, Iceland's first glacier lost to climate change, this down jacket can be seen on trailers, glaciers and mountains across Iceland whether worn on its own or underneath a shell jacket. The underarm and side body stretch panels ensure great breathability so you won't overheat, making it an essential staple for cold weather activty.

Ok keeps the body warm with 90% duck down and 10% feather insulation, with insulation tunels woven into the fabric, removing the need for stiching. Polartec Power Stretch Pro arm and body panels create breathability and include lycra for extra stretch and flexibility.

Able to be used as either a midlayer or an outerlayer, Ok has a regular fit. Fits true-to-size. Those looking to use Ok as a midlayer or seeking a snugger fit should size down when ordering. Others should order true-to-size.