How does the M-9 Pertex Insulated Midlayer fit?

This style runs small. If you are between sizes, we recommend choosing the larger size for a more comfortable fit.

Is the M-9 suitable as a jacket in mild weather?

Yes, the M-9 can be worn as a standalone jacket in mild or cool conditions. Its PrimaLoft Gold Eco insulation and wind-resistant Pertex shell provide enough warmth and protection for everyday use outside of harsh winter.

How should I care for and wash this jacket?

Wash at 30°C using mild detergent only. Do not use fabric softener. Wash inside out, separately, and with fasteners closed. Air dry or tumble dry on low heat.

How does the M-9 perform in wet or windy weather?

The Pertex Quantum shell is wind-resistant and offers some water repellency, while PrimaLoft Gold Eco insulation maintains warmth even if damp. For heavy rain, pair with a waterproof shell.

What makes the insulation in this jacket eco-friendly?

The M-9 uses PrimaLoft Gold Eco insulation, which is made with 55% recycled content and delivers reliable warmth without sacrificing performance.

Can I use this midlayer for both mountain sports and city wear?

Yes, the M-9 is designed for versatility. Its technical features and clean design make it suitable for skiing, hiking, travel, and everyday city use.

Man wearing The Mountain Studio M-9 Pertex Insulated Midlayer in olive green, featuring a minimalist design with a full front zipper, ergonomic hood, and zippered chest pocket, styled for versatile outdoor or city use. image

Model wearing The Mountain Studio M-9 Pertex Insulated Midlayer in green with a full-zip front, ergonomic hood, and zippered chest pocket, paired with beige technical pants and ski boots, styled for alpine or outdoor activities. image

Side view of a person wearing The Mountain Studio M-9 Pertex Insulated Midlayer in green, showing the ergonomic hood, minimalist fit, and technical beige ski pants with gray ski boots, styled for alpine activities. image

Back view of a person wearing The Mountain Studio M-9 Pertex Insulated Midlayer in green, featuring a streamlined hood and minimalist silhouette, paired with beige technical ski pants and gray ski boots for alpine use. image

Engineered in Switzerland

M-9 Pertex Insulated Midlayer

Mid layers

3 200,00 kr

The Mountain Studio M-9 Pertex Insulated Midlayer is engineered for mountain sports and active outdoor use where adaptable warmth and breathability are essential. Built from 20D Pertex Quantum, this lightweight...

World: ACTIVE
Shield: Light Protection
Where to use: Everyday, Hiking, Skiing, Snowboarding

Select size

Pertex Insulated MidlayerIn depth

Detail view of The Mountain Studio M-9 Pertex Insulated Midlayer in beige, showing the technical ripstop nylon shell, zippered chest pocket, and stretch grid fleece side panel with visible Pertex branding.
Rear view of The Mountain Studio M-9 Pertex Insulated Midlayer in beige, showing the ergonomic hood, minimalist sleeve patch, and technical ripstop nylon shell, worn outdoors in a mountain setting.