MEFONNA (men / women) is a 100% RWS merino wool (outdoor farms) t-shirt designed for active effort, even in cold temperatures. Lighter than SHIRWALI (men / women) but more stable than an ultra-thin t-shirt, MEFONNA (men / women) combines natural thermoregulation with moisture management, making it ideal for sustained climbs, ski touring, cold trail running, or fast hiking.
1. RWS Merino Wool Engineered for Intensity and Cold
The merino wool used in MEFONNA (men / women) delivers unique performance during exertion:
- natural insulation that remains effective even when damp,
- gradual sweat wicking without a “wet” feeling,
- odor neutralization for extended use,
- precise heat management: protects against cold without overheating during bursts.
This adaptability to pace and weather makes it an extremely versatile base layer.
2. MEFONNA (men / women) in a 3-Layer System
MEFONNA (men / women) can be worn as a base layer for:
- ski touring, including dynamic ascents,
- cold-weather trail running,
- four-season alpine hiking,
- summer or autumn mountaineering with cold winds,
- intense activities where the body heats up but needs protection.
It pairs well with:
- a fleece KOKANEE (men / women) (active effort) or AROLLA (men / women) (cozy warmth),
- a hardshell SKORA (men / women), LONAK (men / women) or LONAK-XT (men / women) depending on wind, snow, or rain.
3. When to Choose MEFONNA (men / women)?
MEFONNA (men / women) is the ideal base layer when:
- temperatures are cold but effort is sustained,
- weather is unstable (windy sections, shade/sun alternation),
- you want a t-shirt that stays comfortable even when very damp,
- you seek an option more breathable than SHIRWALI (men / women) but more protective than an ultra-light t-shirt.
It’s the perfect base layer to prevent overheating while maintaining solid cold protection.
4. Long-Lasting Comfort & Odor Resistance
Thanks to RWS merino, MEFONNA (men / women) can be worn for several days on multi-day trips, in refuges, or during travel without noticeable odor. Its moisture regulation prevents cooling after breaks.
5. European Materials & 100% European Manufacturing
- RWS merino wool sourced from outdoor farms,
- knitting in Italy,
- assembly in Portugal.
A short, sustainable supply chain controlled at every stage.
Conclusion
MEFONNA (men / women) is the most versatile merino base layer in the AYAQ range: breathable for active effort, protective against cold, stable in varied conditions. An essential piece for intense outings in cold climates.