The Trew Gear Mens Tatoosh Jacket is built for cold days and deep laps, with zoned insulation that delivers warmth where you need it while keeping bulk to a minimum. Thoughtful venting lets you dump heat quickly after a bootpack, then seal it back up to stay comfortable when the snows stacking. Durable, versatile, and dialed for all-day missions, this jacket keeps you out there long after others head for the lodge.