Columbia Oak Harbor II Insulated Jacket review: It won't impress the ultralight crew, but this coat's space age insulation will protect you when conditions turn ugly

The Omni-Heat Infinity liner isn't just shiny, it actually works (Image credit: Craig Taylor)

First impressions

Columbia has long built a reputation on making no-nonsense, hard-wearing outdoor gear – and the Oak Harbor II Insulated Jacket fits squarely into that ethos. It’s a robust, insulated, waterproof jacket, designed for cold-weather hiking and general winter use. It’s not ultralight, it’s not flashy, and it certainly doesn’t roll up to the size of a grapefruit. But it doesn’t need to.