Long Sleeve T-shirt Navy Blue
Long Sleeve T-shirt Navy Blue
Long Sleeve T-shirt Navy Blue
Long Sleeve T-shirt Navy Blue
Long Sleeve T-shirt Navy Blue
Long Sleeve T-shirt Navy Blue

Long Sleeve T-shirt Navy Blue

€45,00 Sale Save
Size M

Introducing our Navy Blue Organic Cotton Long Sleeve—a perfect blend of comfort, style, and sustainability. Crafted with meticulous attention to detail, this high-quality garment is made from 100% organic cotton, ensuring a soft and gentle feel against your skin.

Designed with a round collar, this long sleeve adds a touch of sophistication to your ensemble. The round collar frames your face elegantly, enhancing your natural beauty and lending a polished look to any outfit.

With its relaxed fit, this long sleeve offers both comfort and versatility. It drapes effortlessly, providing you with freedom of movement and a flattering silhouette. Whether you're running errands or meeting friends, this piece keeps you at ease while exuding effortless style.

We take pride in the craftsmanship of this long sleeve, which is ethically made in Portugal. By supporting local communities and adhering to sustainable practices, we ensure that each garment is not only fashionable but also environmentally responsible.

The navy blue color adds a touch of sophistication to your wardrobe. Versatile and timeless, it effortlessly complements a wide range of outfits and occasions. Whether you pair it with jeans for a casual look or dress it up with tailored pants, this long sleeve is a versatile staple.

Indulge in the comfort and sustainability of our Navy Blue Organic Cotton Long Sleeve. Made from organic cotton, it is free from harsh chemicals and pesticides, offering a hypoallergenic and eco-friendly choice for conscious consumers. By choosing this garment, you're making a positive impact on your well-being and the environment.

Upgrade your wardrobe with this stylish and eco-conscious choice. Experience the luxury of organic cotton, the comfort of a relaxed fit, and the elegance of a round collar.



100% organic cotton 

Round collar 

Relaxed fit 

Made in Portugal


Model is 1.87 and is wearing size L

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Free shipping:

Portugal & Spain

Europe for orders above €100,00.

If you are not satisfied with your order, you have up to 14 days to return it.


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Buy it with



At Thirty One Degrees we want to bring the light and relaxed summer feeling to everyday wear.

As we value a more easygoing and simple lifestyle, our brand offers timeless and effortless designs crafted from high-end materials.

We designed our collections for an easy everyday wear choice.
Colors and silhouettes are effortlessly combined to achieve an uncomplicated “what to wear” decision.
In addition, Limited editions are posterior added to elevate the wardrobe. These editions are special projects that we create from unique materials or artistic collaborations.

This is our creative approach for an easy, elegant, and comfortable wardrobe for men.

Production & Sustainability

Our products are consciously handmade using craftsmanship and artisan methods under fair conditions for the workers. We prioritize products for the long run by collecting high-end materials from different producers and assembling them in Portugal


Thirty one Degrees was born in a small fishing village near Porto, Portugal. Our story walks hand to hand with the founder, Joao Nuno Valente. While looking for a more slow-living approach, he decided to "simplify" his lifestyle and bring his vision to others through a collection of high-end products.