This durable yet technical jacket has 4-way stretch for dynamic movement in the mountains.

The Montane Men’s Sirocco Lite Insulated Jacket delivers a high-performance combination of breathable wind resistance and warmth for adventures at altitude. First, your core is warmed by 100% recycled, highly breathable Dynamic Insulation with 4-way stretch. It retains heat even when wet, without overheating, and is protected by highly wind-resistant FEATHERLITE AIR 100% recycled nylon with its PFC-Free DWR coating and in-built stretch. Then, 4-way stretch fleece on the arms delivers a smooth-faced, brushed back design that’s ideal for use in a layering system, which can adapt to unpredictable weather and inspire confidence in the outdoors.