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| Size | XS | S | M | L | XL | XXL |
| Chest (cm) | 47 | 49.5 | 51.5 | 53.5 | 55.5 | 58 |
| Length (cm) | 66.5 | 68 | 69.5 | 71 | 72.5 | 74 |
| Sleeve length (cm) | 18.8 | 19.4 | 20 | 20.6 | 21.2 | 21.8 |
| Collar width (cm) | 18.25 | 19 | 19.75 | 20.5 | 21.25 | 22 |
| Sleeve opening (cm) | 42.2 | 44 | 45.7 | 47.5 | 49.2 | 51.4 |
| Armhole (cm) | 14.5 | 15 | 15.5 | 16 | 16.5 | 17 |
| shoulder to shoulder (cm) | 18.5 | 19.5 | 20.5 | 21.5 | 22.5 | 23.5 |
ll measurements given are taken with the garment lying flat, not the body.
The values therefore generally correspond to half of the full circumference (for example, bust or waist width).
To choose your size, measure a similar garment that you own, lying flat, then compare with our table.
T-shirts are too often made from cotton. The problem ?
Cotton traps odors, takes hours to dry, and its cultivation uses large amounts of water.
With the Action Merino range, we set out to create a fabric that’s comfortable, lightweight, and breathable, using two high-performance, eco-conscious natural fibers: wool and wood.
What sets this T-shirt apart is its extra-fine merino wool compositiona premium natural fiber.
Learn more about our extra-fine merino wool.
We use an ultra-fine 16.5-micron wool sourced from New Zealand, guaranteed mulesing-free.
The Tencel we use comes from eucalyptus grown in forest ecosystems that require no artificial irrigation, making it far more efficient than cotton.
Its environmentally responsible production process recovers nearly all solvents and recycles water for future production cycles.
Tencel outperforms cotton across the board:
Absorbs and releases moisture more efficiently
Its smooth texture delivers superior softness
Uses significantly less water to produce
Offers better breathability and durability
This jersey is designed to be worn close to the body.
55% Tencel™, 37% 16.5-micron extra-fine merino wool, 8% elastane
160 g/m²
The premium knitting and construction are carried out by our partner workshop in Lithuania.
This fabric was developed exclusively by Seagale. You won’t find it anywhere else.
This fabric feels incredibly soft against the skin, thanks to its blend of ultra-fine merino wool and smooth, silky wood-based fibers.
Our Austrian spinner Schoeller Spinning Group creates a single yarn by twisting merino and Tencel fibers together, forming an intimate blend that brings out the best of both materials.
This merino–Tencel combination creates an optimal climate balance while preserving natural resources, as both wool and wood are renewable and 100% biodegradable.
Our blend of merino wool and Tencel fibers is naturally odor-resistant.
Hang it up overnight and it’ll be fresh again by morning, so you can wear this T-shirt for several days in a row without needing to wash it.
This T-shirt is naturally thermoregulating for year-round wear, thanks to its balanced blend of merino wool and Tencel.
You can wear it as a base layer in cooler weather or on its own in the heat.
It also makes the perfect sleep shirt for a better night’s rest.
This lightweight, comfortable T-shirt feels great directly against the skin.
The stretch moves with you, delivering even more comfort.
Untreated wool tends to felt over time with repeated washing.
We use an EXP (EX-Pollution) anti-felting treatment that helps the wool maintain its like-new structure over time, without releasing chlorine that could harm water systems.
A responsible, durable innovation that meets the highest environmental standards.
The classic fit and clean lines enhance your silhouette. The crew neck and fitted sleeves complete the T-shirt’s timeless, refined look.
It’s the perfect alternative to synthetic tees and traditional cotton T-shirts.
Fair warning: this has been our best-seller since 2015 and it’s seriously addictive.
EXP is the world’s first wool finishing process to meet the strict standards of bluesign and Global Organic Textile Standard, and it also complies with OEKO-TEX Standard 100.
The knitting and construction of this T-shirt are carried out by our partner workshop in Lithuania, certified among the most sustainable in Europe.
Fabric performance
Anti-odor
Soft
Thermo-regulating
Breathable
Stretch
Light
Features
Properties
Durability
Care instructions
Machine wash at 30°
spin speed 800 rpm max
Do not tumble dry
Do not iron
Do not bleach
Possible to dry clean
Origin
Labels
Mulesing Free
WoolMark
Lycra®
Oeko-Tex® Standard 100
Overall rating: 4.8985915 / 5 from 355 reviews.
The ACTION MERINO T-SHIRT is highly praised for its exceptional comfort, excellent cut, and perfect fit. Customers appreciate its ability to wick away sweat and its soft, breathable fabric. However, opinions on sizing are mixed, with some recommending a larger size.
Review topics: ["size","fit","color","price","look","weight","length","problem","quality","fabric","material","shirt","comfort","weather","feel","t-shirt","cut","delivery","customer service","odors","sleeves","collar","durability","sweat","surprise","neckline","softness","merino","neck","appearance"].
"J’utilise le t-shirt Action Merino de Seagale depuis 2019 et j’en suis toujours aussi satisfait. La coupe taille parfaitement, le confort est excellent au quotidien et la qualité est vraiment au rendez-vous même après plusieurs années d’utilisation. Les couleurs sont également très réussies et tiennent bien dans le temps. C’est clairement un des meilleurs t-shirts que j’ai pu avoir : polyvalent, agréable à porter et durable."
"Positives: It does not feel as good as some 100% merino T-shirts, but it is pleasant to the touch, and its durability is greatly improved, with little pilling despite my using it without restrictions and in situations I would not risk a 100% merino T-shirt. Negatives: The price is a little high considering that it's only 52% merino wool and 48% Nylon. The 6. 6 Nylon is more expensive than regular nylon, but probably much cheaper than merino wool. For me, size M is the better fit, but the armholes are a bit tight. In the L, they are perfect, but the fit is not as good for me. If not for the fit issue, I would give it a five-star review."
"le t-shirt est très beau ,la matière est fine et douce . la coupe est bien mais j'ai trouvé le col un peu trop large donc j'ai préféré renvoyé le colis. je vais plutôt acheter le évolution merino"
"Tshirt de très bonne qualité, très bien pour l'été car très fin et respirant. Couleur ivoire par contre trop transparent mais en noir c'est parfait."
"Belle matière, agréable avec porter mais assez fragile pour le prix. Porté une fois, un accroc, impossible à rattraper. Durabilité pas au point à mon sens. . ."
"Après en avoir acheté 3 en 2021 et les avoir usés jusqu'à la fibre, j'en reprends 3 avec plaisir. Un incontournable par la coupe excellente et le confort du T-shirt !"
"Excellent produit. . . encore une fois ! Matière légère, fluide et au tombé impeccable."
"Bien coupé très agréable à porter et sans odeur même après une journée de canicule Sans repassage et très compact plié, idéal pour les voyages"
"Juste le tee-shirt parfait. Léger, respirant, agréable à porter. Sèche très vite. Comme une seconde peau, il taille bien et met en valeur les formes. Il est extensible, pas de soucis avec la taille trop petite ou trop grande."
"Superbe, j’adore le look Très agréable à porter en style sport chic"
