Alpine Down Sleeping Bag - Mafadi Wide Mummy

Name: Alpine Down Sleeping Bag - Mafadi Wide Mummy
Brand: Hex Valley Down
Price: 7450.00 ZAR
Availability: InStock

R 7,450.00

Comfort: approx. -10°C to -15°C
Limit: approx. -15°C to -25°C
Designed for extreme cold, high-altitude conditions, and winter expeditions where maximum insulation is critical.

View entire range comparison table

Cecilia	Sentinel	Matroos	Mafadi
Ultra-Light	Shoulder Season	All-Season	Alpine
+10°C	+8°C	0°C	−8°C

Features

High-loft 850+ fill power goose down for maximum warmth-to-weight performance
Wide mummy shape allows space for layering while retaining heat efficiently
High down fill volume for expedition-level insulation
3D box-wall baffle construction to maintain loft and eliminate cold spots
Full hood with draft collar to reduce heat loss in extreme conditions
Durable, lightweight CIRE ripstop shell for wind resistance and packability
YKK zip with anti-snag baffle
Weight: 1,278g to 1,603g depending on size selection

Fabric

Technical: The Mafadi Wide Mummy has a CIRE exterior and interior. CIRE, a lightweight nylon taffeta, is tightly woven and treated for down-proof performance and reduced weight, with a luxurious silk-like feel.

All Hex Valley Down sleeping bags are available in multiple size configurations to ensure proper insulation and comfort. Choosing the correct size prevents excess air space (which reduces warmth) while still allowing natural movement during sleep.

Refer to our size guide for detailed measurements and weights. .

Made to order in South Africa
Estimated production time: 7–10 working days
You will receive updates during production
Shipping time additional

A high-quality down sleeping bag is a serious piece of gear. Read our guide on how to clean and store your bag.

If you damage your sleeping bag on your next adventure, the studio will repair it for you. Contact us at hello@niya.co.za to arrange your repairs.

Explore the range

Need help choosing your ideal sleeping bag?

A sleeping bag determines more than warmth. It determines recovery — and recovery determines how well you move the next day. Here are some tips from hikers on how to choose the perfect bag.

Read the article

Meet Hex Valley Down

What began as a small family operation in the Western Cape has grown into a trusted name among hikers, climbers, and outdoor travellers who value reliable, premium quality sleeping gear that lasts.

Read the article