Uniform
LAB Line Tee
Swimwear
Not made for quiet beaches.
The LAB
A visual language for bodies that don't ask permission.
Muscle LAB started with drawings: line, pressure, shadow and memory translated into fabric, skin and rooms that don't need explanation.
An underground project built around body culture, leather aesthetics, queer identity and confidence that speaks without apology.
Size Guide
Find your fit.
T-shirts
| Size | Chest (cm) | Waist (cm) | Length (cm) | EU |
|---|---|---|---|---|
| S | 86–91 | 71–76 | 69 | 44–46 |
| M | 91–96 | 76–81 | 71 | 48–50 |
| L | 96–101 | 81–86 | 73 | 52–54 |
| XL | 101–106 | 86–91 | 75 | 56–58 |
| XXL | 106–111 | 91–96 | 77 | 60–62 |
Crop tops
| Size | Chest (cm) | Waist (cm) | Length (cm) | EU |
|---|---|---|---|---|
| S | 82–87 | — | 42 | 44–46 |
| M | 87–92 | — | 44 | 48–50 |
| L | 92–97 | — | 46 | 52–54 |
| XL | 97–102 | — | 48 | 56–58 |
The Muscle LAB fit is European athletic — slightly fitted through the chest and shoulders. If you prefer a looser fit, size up. Crop tops run true to size with a shorter length by design. For questions, contact the LAB before ordering.
Manifesto
Not trying to look acceptable.
Muscle LAB is not trying to look acceptable.
It is a visual language for bodies that carry tension, heat, weight, softness and power.
It starts with drawings. Bodies reduced to line, pressure, shadow and memory.
Then those marks move into fabric, skin, and the spaces that do not need explanation.
No corporate polish. No generic lifestyle fantasy.
Just black, white, sweat, leather, skin, fabric, and the quiet confidence of a universe built for those who already know.
Muscle LAB exists for bodies that do not ask for permission.
For those who choose how to be seen, how to feel, how to desire, how to move, and how to belong.
This is Muscle LAB. Not for everyone. Made exactly for you.
Our Pillars
Respect. Empathy. Freedom.
Respect
Respect the body. Respect the person. Respect identity, limits, expression, desire, and the way each person chooses to feel good in their own skin.
Empathy
Every body carries a story. Muscle LAB is not built around perfection, but around presence, tension, softness, strength, and transformation.
Freedom
Love who you want to love. Wear what makes you feel powerful. Be visible on your own terms. Muscle LAB exists for a freedom that does not need to explain itself.
Returns policy
Clear terms. No drama.
EU-friendly return guidance written for humans. Contact the LAB before sending anything back so the return can be identified correctly.
14 days
You may request a return within 14 days of receiving your order. Items must be unused, unworn and returned with original tags attached.
Return shipping
The customer is responsible for return shipping unless the item arrived defective or incorrect. Use tracked shipping for your own protection.
Swimwear hygiene
Swimwear can only be returned when unused and when the protective hygiene seal has not been removed or damaged.
Ambassador programme
Represent the underground.
The Muscle LAB Ambassador Programme is built for people who move inside real communities: training, queer nightlife, leather culture, body confidence, visual language and underground presence.
In the LAB
MEET THE AMBASSADORS
THE RING OPENS SOON
Exclusive ambassador code
Give your community access to a dedicated Muscle LAB code.
Commission on referred sales
Earn from orders generated through your ambassador code.
Early access to drops
See selected pieces before they are released publicly.
Social visibility
Selected ambassadors may be featured across Muscle LAB channels.
Private releases
Access limited pieces, tests or campaign previews when available.
Events and brand opportunities
Future opportunities may include pop-ups, community events, markets or fairs.
Who we are looking for
We are looking for people with presence, community and visual confidence. Trainers, creators, performers, artists, hosts, nightlife people, photographers, athletes and community voices are welcome.
How it works
- Apply Tell us who you are and where your community lives.
- Get approved Selected ambassadors receive a personal code and programme details.
- Represent Share the brand, build your code and grow with the LAB.
Legal
Trust and store policies.
Clear store policies for privacy, orders, shipping, returns and customer data.
Privacy policy
We only collect the details needed to respond, prepare orders and provide requested updates.
Terms and conditions
Submitting an order request does not process payment. Availability is checked internally, then final confirmation and payment instructions are sent by email before dispatch.
Shipping policy
Shipping cost is calculated by destination. Portugal is 9 EUR, Europe including Germany is 14 EUR, and rest of world is 20 EUR. Orders are prepared after payment confirmation.
Cookies and local storage
We only collect the details needed to respond, prepare orders and provide requested updates.
Returns and exchanges
Return requests must be made within 14 days of delivery. Items must be unused and returned with original tags. Hygiene restrictions apply to swimwear.
Business Identity
Muscle LAB is operated from Portugal. Commercial name: Muscle LAB. NIF / VAT: 243119012. Business / pickup address: Rua das Oliveiras 57, 4050-448 Porto, Portugal. For orders, returns or business enquiries, contact us at hi@wearmusclelab.com or through the contact form.