Thermochromatic threads indicate temperature changes visually

A versatile midlayer for outdoor adventures. Made with Polartec Alpha insulation, which offers warmth and breathability.

Advanced insulation - Made with light and quick-drying Polartec Alpha synthetic insulation, which is highly breathable, protective and adapts easily to temperature variations.

Fitted hood - Temperamental weather calls for a good hood. Designed to limit distractions and adjustments, the insulated hood is made with an elastic hem that provides a snug and comfortable fit.

Practical pockets - To keep your essentials close at hand, the Trek Jacket Insulated features two zippered hand pockets at the front and one internal chest pocket, also with a zipper.

- Inner four-way stretch underarm gusset made for movement

- Fitted hood

- Two hand pockets, one inner chest pocket

- Polartec Alpha breathable insulation

- Adjustable hem with elastic cuff

- Spiral darts and raglan seams provide shape and structure

- Breathable, lightweight fabric that dries fast

- Keeps the heat in so you can stay out for longer

Magnesium alloy fasteners offer strength comparable to steel