For those Himalayan high peak expeditions or Antarctic expeditions, this down suit is designed to challenge the harshest environments on Earth. Featuring 800 fill power EX Down in a box construction and combined with weather resistant WINDSTOPPER® fabrics by GORE‑TEX LABS, this down suit will help provide warm weather-resistant protection in the harshest of conditions.

Specs

Material: WINDSTOPPER® fabrics by GORE‑TEX LABS
30-denier Ballistic® nylon ripstop (DWR finish)
Lining: 20-denier nylon taffeta
Shoulder, Elbow, Knee: 70-denier nylon tussar
Insulation: 800 Fill Power EX Down
Weight: 1.44 kg
Color: SUNFLOWER (SUF)
Size: S, M, L, XL
Compressed Size: Ø24 x 41 cm
Features:
Box Construction allows down to loft to its max potential while reducing cold spots
Downproofing helps keep down from escaping through the face fabric
2-Way Adjustable Hood offers a close-fit and visibility
Tunnel Hood
Zip End Guard protects your chin and face
Dual storm flaps
Articulated Arm improves fit and allow for dynamic movement
Adjustable Alpine Cuff helps keep wind and snow out
Pocket Hem Adjuster allows for cinching the hem while helping keep out chill air
5 pockets (2 zippered hand pockets, 1 zippered chest pocket, 2 pockets on front of upper leg)
Stuff sack included

About the material: Ballistic nylon

Ballistic nylon is one and a half times more abrasion resistant than other similar weight fabrics and boasts three times the tear strength of nylons that are almost 20% heavier. Because of this, Ballistic nylons have allowed us to reduce the weight of many of our products by more than 50% without sacrificing the durability. We create Ballistic nylons by heating and stretching nylon fibers. Much like Tensiled steel, this process aligns the nylon molecules in each fiber, dramatically improving the strength and stamina of the fabric.

BOX CONSTRUCTION

Eliminates cold spots resulting from sewn-through seams and allows down to loft completely.

About the material: EX Down

World class, high quality down
Montbell's premium down comes from water fowl that live in regions with seasonal temperature extremes. The down balls from birds in such regions are characteristically much larger.
Large down balls hold more warm air, which translates to needing less down to provide exceptional warmth retention.

Lightweight yet warm
When compared by weight to lower quality down, an equal amount of premium down is loftier and has better warmth retaining properties.

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Clothing>Insulated Jackets & Pants>Down for Expeditions