MEFONNA 100% Merino T-Shirt

Name: MEFONNA 100% Merino T-Shirt
Brand: AYAQ
SKU: MF-LS-M-BS-L
Price: 100.0 EUR
Availability: InStock

Technical base layer 100% merino (150g/m²)

100 €

Color : Blue Slate

Size : L - EU : 50 / US : 40

Guide

S M L XL XXL

Our model is 188cm tall and wears size M.
He weighs 73kg and wears size M top and M bottom.

Product Variants

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Fast Delivery and Easy Returns

Designed for year-round activities. Made from 100% pure Merino wool, no blends. Perfect comfort and softness during intense effort, with flat seams to prevent irritation and a tailored fit. A technical performance garment suited for sustained activity, featuring excellent odor-resistant properties ideal for multi-day outings.

Weight : 187 g

PERFORMANCE

Warmth9 / 10

9 / 10

Breathability10 / 10

10 / 10

UV protection10 / 10

10 / 10

Merino Wool10 / 10

10 / 10

Lightweight10 / 10

10 / 10

Activities

10/10 Mountaineering
10/10 Ski Touring
10/10 Alpine Skiing
10/10 Hiking
7/10 Everyday

Technical Features

Design & Sourcing

European natural fibers: Use of virgin wool produced in Europe, ensuring optimal and durable technical quality.

Ergonomics & Performance

Absolute softness: Premium knit made from extra-fine yarn for a soft, non-itchy feel, even directly on the skin.
Thermal regulation: Natural properties of merino wool providing optimal moisture and body temperature management.
Natural odor control: Intrinsic antibacterial properties of high-quality virgin wool, ideal for intensive multi-day use.
Freedom of movement: Raglan sleeves and stretch knit structure offering excellent elasticity and breathability during activity.
Ergonomic crew neck: Comfort suited for both effort and rest. Features a fine elastic band for precise fit and enhanced durability.

100% eco-designed collection

Exceptional Merino wool, sourced from farms with free-range animals and no mulesing. 100% of processing (combing, carding, spinning, dyeing, weaving...) is done near the Alps. Final assembly takes place in a European workshop powered entirely by Green Energy.

Material composition

Main fabric: 100% virgin Merino wool

Portuguese fabric made from New Zealand wool

Extra-fine 17.5 micron yarn
Natural wool from sustainable, ethical farms
Certified non-mulesed wool

Care Instructions

Warranty, Care & Repair

Designed with great care using technical, mountain-friendly materials, your Mefonna t-shirt comes with a 3-year warranty.

Washing:

First 5 washes: Cold water only.
Subsequent washes: Gentle cycle (max 30°C).
Preparation: Wash garment inside out.
Detergent: Use wool-specific detergent.
Spin: Avoid machine spinning and never wring the garment.

Drying:

Method: Air dry flat or on a hanger.

Fast Delivery and Easy Returns

At your place by

Delivery in 24 to 48 hours for France, up to 4 days for Europe, free from €100 order. Easy and free returns within 30 days.

CONCEPTION

EXTRA FINE THREAD

Jersey made from extra-fine yarn for a soft, second-skin feel that doesn’t itch.

PRACTICALITY

TECHNICAL MESH

Technical mesh providing stretch and breathability, ensuring comfortable backpack wear.

PRACTICALITY

TECHNICAL MESH

Technical mesh providing stretch and breathability, ensuring comfortable backpack wear.

COMFORT

ODOR CONTROL

Natural properties of high-quality virgin Merino wool, offering UV protection and suited for long outings.

PREMIUM FABRIC

MERINO WOOL

Natural moisture and temperature regulation thanks to ultra-fine Merino wool, forming a high-quality base layer.

PREMIUM FABRIC

MERINO WOOL

Natural moisture and temperature regulation thanks to ultra-fine Merino wool, forming a high-quality base layer.

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MEN - Size Guide

Enter your measurements in cm. You may leave a field blank if unknown.

Gender Height Chest circumference Waist circumference Hip circumference

These values are neither sent nor stored.

Size Guide	S	M	L	XL	XXL
EU	46 / S	48 / M	50 / L	52 / XL	54 / XXL
US	36 / XS	38 / S	40 / M	42 / L	44 / XL
Height (cm)	171 - 175	175 - 179	179 - 183	183 - 193	193 - 197
Chest circumference (cm)	95 - 98	99 - 102	103 - 106	107 - 110	111 - 114
Waist circumference (cm)	81 - 84	85 - 88	89 - 92	93 - 96	97 - 100
Hip circumference (cm)	96 - 99	100 - 103	104 - 107	108 - 111	112 - 115

Comment bien mesurer pour choisir vos vêtements AYAQ ?

Chest circumference

Measure horizontally at the most prominent point of the nipple.

Waist circumference

Measure horizontally at the narrowest point of the body.

Hip circumference

Measure horizontally at the widest point of hips/buttocks.