Active Insulation

This is a solid, streamlined choice for those who move fast but still want insulation that breathes. Montane says:  The men’s Sirocco Lite is more than just a hooded jacket. It offers active...

The Switch Pro Hooded Jacket is a mid-layer for fast-moving hikers, alpinists, and climbers. It combines warmth, breathability, and comfort with Octayarn warp-knit insulation, 20D RS nylon outer...

The Montbell Light Shell Hooded Jacket offers wind and water resistance, warmth, and moisture management with CLIMAPLUS MESH lining. Its 2-way stretch fabric and athletic silhouette ensure mobility...

We're working out what we think - we'll add our view here!  Patagonia says:  The Nano-Air® Light Hoody was made to be worn for the entirety of your aerobic, start-stop mountain activities, so you’re...

The Deviator Insulated Hoody is a breathable, windproof, and insulated mid-layer that is suitable for winter pursuits such as hiking, biking, and climbing. It is made with a windproof outer shell, a...

The Deviator Insulated Hoody is a breathable, windproof, and insulated mid-layer that is suitable for winter pursuits such as hiking, biking, and climbing. It is made with a windproof outer shell, a...

A streamlined hybrid layer that balances warmth, breathability and movement for fast days on the hill. Montane says:  The ultimate lightweight thermal regulator, Primaloft Gold Active Vent insulation...

A streamlined hybrid layer that balances warmth, breathability and movement for fast days on the hill. Montane says:  The ultimate lightweight thermal regulator, Primaloft Gold Active Vent insulation...

UOG TOP PICK: Light, breathable, and packable, the Mountain Core Jacket provides active insulation that strikes a balance between warmth and airflow — an ideal mid-layer for cold, fast-paced mountain...