Matroos Wide Mummy

Matroos Wide Mummy

R 6,050.00
Sale price  R 6,050.00 Regular price 
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Matroos Wide Mummy
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Matroos Wide Mummy

R 6,050.00
Sale price  R 6,050.00 Regular price 

Comfort: 0°C to -5°C
Limit: -5°C to -10°C
Designed for cold mountain conditions where reliable insulation matters. The dependable bag you’ll reach for most.

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 efficient warmth
  • Wide mummy shape balances insulation and sleeping comfort
  • 3D box-wall baffle construction to maintain loft and reduce cold spots
  • Durable, lightweight CIRE ripstop shell
  • YKK zip with anti-snag baffle
  • Weight: 1,003g to 1,265g depending on size and fabric selections

🇿🇦 Made to order in South Africa

🪿 Ethically sourced down

 👋  Meet the brand

Optional Hood

Add a hood for additional warmth. This will add +90g weight +R550

Optional Neck Baffle

Upgrade your bag for extra warmth and protection. This will add +40g total weight +R350

Fabric Options

Technical: With a CIRE exterior and interior, this is the lightest option. CIRE, a silky nylon taffeta, is tightly woven and treated for down-proof performance and reduced weight, with a luxurious cotton-like feel. 

Comfort: For those who prefer sleeping in cotton, choose this option with a CIRE exterior with a cotton interior. 

Size

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. 

Need help choosing your ideal bag? Read our tips

Size Guide

All Hex Valley Down sleeping bags are available in multiple size configurations to ensure proper insulation and comfort. View our complete size guide

Lead Times
  • Made to order in South Africa
  • Estimated production time: 7–10 working days
  • You will receive updates during production
  • Shipping time additional
Care For Your Sleeping Bag

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

Service and Repairs

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.

Intentional design

Every design starts with why

Made with care

Brands that believe in building better

Artisan makers

Real people making great gear

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