Is this down shirt warm enough for cold weather or winter use?

The Ultralight Down Shirt uses 600-fill-power RDS-certified down for reliable warmth in cold conditions. It works well as a midlayer in winter or as a standalone piece during cool weather.

How should I layer this shirt for outdoor activities or travel?

This shirt can be worn over a base layer or under a shell jacket for added insulation. Its streamlined fit and lightweight design make it easy to combine with other layers.

Is the shirt water repellent or wind resistant?

The nylon shell has a PFAS-free, water-repellent finish that helps resist light moisture and wind. It is suitable for changing outdoor conditions but not fully waterproof.

How packable is the Ultralight Down Shirt for travel or hiking?

The shirt is lightweight and compressible, making it easy to pack in a backpack or travel bag. It is designed for convenience on the move.

What is the fit like, and how do I choose the right size?

The shirt has a streamlined, ergonomic fit that works for layering. Refer to the size guide for detailed measurements and select your usual shirt size.

How do I care for and clean this down shirt?

Machine wash on a gentle cycle with mild detergent and tumble dry on low with clean tennis balls to restore loft. Avoid fabric softeners and bleach to maintain the down insulation.

Is the down used in this shirt responsibly sourced?

Yes, the shirt uses RDS-certified down, ensuring the insulation is sourced according to strict animal welfare standards.

Does the shirt have secure storage for small items?

A zippered chest pocket provides secure storage for essentials. The snap front closure also allows for easy on and off.

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Man wearing the Mountain Studio G-11 UL black ultralight down jacket with a classic collar, ergonomic fit, and chest pocket, styled for everyday use with jeans, sneakers, and a beanie against a plain background. image

Black Mountain Studio G-11 UL ultralight down jacket with a classic collar, ergonomic fit, zippered chest pocket, and minimalist snap front, shown against a plain background. image

Rear view of a man wearing the Mountain Studio G-11 UL black ultralight down jacket, showing the jacket’s quilted construction, ergonomic fit, and minimalist style paired with jeans, trail shoes, and a green beanie. image

G-11 UL

3,500.00 kr

Ultralight Down Shirt
Black Onyx

Size

XXL

The G-11 UL Ultralight Down Shirt is designed for cold days in the mountains and reliable warmth during city commutes. This men's PFAS-free down shirt uses 600-fill-power, RDS-certified down to achieve a strong warmth-to-weight ratio in a streamlined silhouette. The 100% nylon shell is finished with a PFAS-free, water-repellent treatment, providing resistance to wind and light precipitation. A classic collar and Japanese metal snap buttons add a refined touch, while a zippered chest pocket offers secure storage for essentials.

This lightweight insulated shirt for layering delivers practical insulation without unnecessary bulk, making it suitable as a standalone piece or as a midlayer under a shell. The down fill retains loft for consistent warmth, and the outer fabric is soft yet durable for extended use. The PFAS-free DWR finish helps manage moisture, supporting reliable performance in changing conditions. Functional details such as the snap front closure and zippered pocket are designed for daily use in both outdoor and urban settings.

600-fill-power RDS-certified down for dependable insulation and compressibility
PFAS-free, water-repellent nylon shell for wind resistance and moisture management
Japanese metal snap buttons and zippered chest pocket for secure, functional storage
Streamlined fit and classic collar for versatile wear from mountain to city
Lightweight, packable construction for travel or layering in cold weather

The ergonomic cut and lightweight build make this a comfortable jacket for mountain activities, hiking, or daily commuting. The breathable down insulation helps prevent overheating during movement, while the refined construction supports long-term durability. The Ultralight Down Shirt is well-suited for those seeking a versatile jacket for outdoor activities, travel, or everyday use, with a focus on responsible materials and practical design.

This minimalist men's down shirt integrates easily into a range of outfits, working as a lightweight warm midlayer or as a standalone shirt jacket. Its understated style and premium construction make it a dependable choice for those who value technical performance and everyday utility in a high quality down jacket.

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