Prism Long-Sleeve - Men Rash guard manches longues homme
Tracked shipping in 7 to 10 days
Free shipping on this order
- Returns and exchangesWithin 30 days
- Secure paymentCard, PayPal, Apple Pay
- 230 g/m² fabricDense knit, 4-way stretch
- Flat seamsNothing rubs
- Design printed into the fibreWon't crack or peel
- 16% spandexMoves with you
Shipping and returns
Tracked shipping in 7 to 10 days: $4.99, free from $80. You'll get a tracking link by email as soon as it ships.
30-day returns and exchanges: wrong size? We'll exchange it. Item must be unworn, unwashed, with its tag.
Cut Like a Gemstone.
Chaque pièce Rashu part d’un dessin pensé pour le tatami : il se lit de loin, il tient au lavage, il ne gêne aucun geste.
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Le dessin ne craque pas
L’encre est imprimée dans la fibre, pas posée dessus. Rien à peler, lavage après lavage.
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Pensé pour le tatami
Tissu 4 sens, coutures plates, ourlet qui reste en place pendant les passages de garde.
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30 jours pour changer d’avis
Pas la bonne taille ? Vous le renvoyez, on l’échange ou on vous rembourse.
Prism Long-Sleeve - Men : l’histoire du dessin
A gemstone only catches light once it’s cut into facets. Prism applies that idea to the whole piece. The low-poly pattern assembles flat triangles with crisp edges, in metal grey, slate, and ice blue. On the back, the facets grow larger and lighter toward the center to form a diamond shape. Toward the hem and cuffs, they turn smaller and darker. On the front, they sweep diagonally across the chest from the left shoulder. The cuffs are metal grey.
Built to last, round after round
A rash guard is judged by the 50th wash and the 200th guard pass. Here's what makes the Prism Long-Sleeve - Men hold up.

- 230g/m², dense knit
- 16% %spandex
- 4-way stretch
- Against frictionThe fitted fabric covers the skin: fewer mat burns, less friction against the gi or your opponent.
- Fast-dryingThe polyester-spandex knit wicks sweat and dries fast, round after round.
- Holds its shape under effortClose-to-body cut: the piece follows your movement without flapping or giving an opponent anything to grab.
- Colour woven into the fibreThe ink dyes the fibre itself: no surface coating, so nothing to crack or peel in the wash.
84% polyester, 16% spandex.Full technical sheet
- Composition
- 84% polyester, 16% spandex
- Fabric weight
- 230 g/m²
- Fabric
- Very soft, 4-way stretch
- Seams
- Flat and cover-stitched
- Fit
- Close to the body, slightly longer torso and sleeves
- Printed over the whole surface: the ink is built into the fibre
- 4-way stretch fabric
- 84% polyester, 16% spandex, 230 g/m². It stretches in every direction and springs back into place.
- Seams
- Flat and cover-stitched: no ridge against the skin, no chafing under the arms or at the shoulders.
- Design in the fibre
- The ink is part of the fabric itself: it won't crack, peel or feel sticky.
- Rashu R
- Printed on the chest, in the same spot on every rash guard.
- Inside label
- Printed directly into the fabric. Nothing to scratch.
- Fit
- Close to the body, slightly longer torso and sleeves, so your opponent has nothing on the fabric to grab.
- To avoid
- Fabric softener, bleach, tumble dryer, ironing over the design.
- Tip
- Don't leave it damp in your bag: hung up, it dries in 1 hour.
- Delivery time
- 7 to 10 days, with a tracking link by email as soon as it ships.
- Price
- $4.99, free from $80.
- Returns
- 30 days to send back an item that hasn't been worn or washed, with its tag.
- Size exchange
- Wrong size? We'll send you the right one.
Before you buy the Prism Long-Sleeve - Men rash guard
Another question? All the answers
How do I choose my size?
This model runs large: for a fitted feel, take 1 size below your usual size. Keep your usual size for more room. The table gives body measurements, not garment measurements. Returns and size exchange within 30 days.
Does the design hold up in the wash?
Yes: the design is printed into the fibre, with no surface coating. It won't crack or come off in the wash. Wash at 30°C maximum, inside out, with no fabric softener, and air dry.
Does it ride up during rolls?
Cut: close to the body, slightly longer torso and sleeves, with 16% spandex. The piece follows your movement without flapping or giving anyone a grip. Fitted to your size, it stays close to the body.
Rash guard or compression tee?
The rash guard carries the design across the whole surface, from collar to wrists. It protects the skin from friction and mat burns in no-gi BJJ, grappling and MMA.
The compression tee is plain and understated: one colour, the Rashu badge. It supports the muscles and can be worn on its own for training or under the gi.
Same 230 g/m² fabric, 4-way stretch, flat seams, same size guide. Compression tees
When will I receive my order?
In 7 to 10 days. You'll get a tracking link by email as soon as it ships. Shipping $4.99, free from $80.
How does the pack work?
Add the top and its matching shorts, or 2 or more pieces of the same design: the 10% discount applies automatically in your cart.


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