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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| Cecilia | Sentinel | Matroos | Mafadi |
| Ultra-Light | Shoulder Season | All-Season | Alpine |
| +10°C | +8°C | 0°C | −8°C |
for Mafadi Slim Fit
Comfort: approx. -10°C to -15°C
Limit: approx. -15°C to -25°C
Built for extreme cold and high-altitude conditions, where maximum thermal efficiency and weight control are critical.
🇿🇦 Made to order in South Africa
Technical: The Mafadi Slim Fit comes with a CIRE exterior and interior. CIRE, a silky 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.
Need help choosing your ideal bag? Read our tips
All Hex Valley Down sleeping bags are available in multiple size configurations to ensure proper insulation and comfort. View our complete size guide
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.
Every design starts with why
Brands that believe in building better
Real people making great gear