Venum Biomecha Short Sleeve Rash Guard Black/Grey
- Free UK delivery £75+ on qualifying ordersDetails
- Easy 30-day returns
- UK's leading combat sports store, est. 2007
Venum's men's rashguards — long-sleeve and short-sleeve — share a single compression-fit table. The cut is deliberately tight to deliver a second-skin feel that locks the muscles in place during BJJ, MMA, no-gi grappling and rolling. The sleeves and torso are cut from the same stretch panels, so the same chart applies whether you're picking up a long-sleeve rashguard, a short-sleeve compression top or a tank-style cross-training piece from the Venum collection.
Fit tip: Rashguards are compression apparel — follow the size matching your measurements for that locked-in feel. For a lighter compression, choose one size above. If you're between two sizes, favour the chest measurement as your reference point.
| Size | Chest | Waist | Front Length | Sleeve Length |
|---|---|---|---|---|
| XXS | 34.6 - 35.8 in | 33.4 - 34.6 in | 19.3 in | 25.2 in |
| XS | 36.2 - 37.4 in | 35 - 36.2 in | 19.7 in | 26 in |
| S | 37.8 - 39 in | 36.6 - 38.2 in | 20.1 in | 26.8 in |
| M | 39.4 - 40.6 in | 38.6 - 39.5 in | 20.9 in | 27.6 in |
| L | 40.9 - 42.1 in | 40.2 - 41.3 in | 21.5 in | 28.3 in |
| XL | 42.5 - 45.3 in | 41.7 - 42.9 in | 22 in | 28.7 in |
| XXL | 45.7 - 49.2 in | 43.3 - 44.5 in | 22.6 in | 29.5 in |
Venum's published values are in inches — multiply by 2.54 to convert to cm if needed.
How to measure
- Chest: Measure around the fullest part of your chest, keeping the tape horizontal under the armpits.
- Waist: Measure at the narrowest point of your natural waistline, just above the hip bones.
- Front length: From the top of the shoulder seam down to the bottom hem.
- Sleeve length: From the centre back of the neck, across the shoulder, and down to the wrist with the arm slightly bent.
Not sure which size to pick? Sizing rashguards is forgiving thanks to the stretch fabric — if you're between sizes, go down for tighter compression or up for a more relaxed feel. We offer 30-day returns on unworn items with tags attached. Browse the full Venum collection for matching shorts, spats and compression gear.
Venum Biomecha Short Sleeve Rash Guard Black/Grey
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Description
Description
Introducing the Venum Biomecha Rashguard, designed for serious athletes and fighters in grappling, BJJ, and MMA. This short-sleeved rashguard is made with compressive fabric, providing protection against rashes, burns, and scrapes while allowing for a full range of motion.
The fabric's "second skin" effect offers superior comfort and support during intense training. The rashguard also features mesh inserts that allow for rapid evacuation of perspiration, keeping you dry and warm even during the most grueling sessions.
Elasticated bands around the waist keep the rashguard in place, adhering to your Vale Tudo or spat. The Venum BioMecha collection takes inspiration from the mechanics of Mecha exoskeletons, featuring dynamic parallel lines that symbolize augmented strength and speed.
Stylist Tip: Rashguards have a very tight fit. If you prefer a more relaxed fit, we suggest ordering one size larger than your regular compression top size.
Donatello, who is 6'1" tall and weighs 207 pounds, wears a size M with the following measurements: Chest 3.3 inches, Size 3.1 inches, Hip 3.2 inches.
Technical Features:
- Close-fitting design
- Elasticated bands at the bottom for a secure fit
- Reinforced seams for durability
- Ideal for BJJ, Sparring, Grappling training
- Screen-printed logo and sublimated patterns
- Mesh inserts for breathability
- Machine washable at 30°, wash with like colors, do not tumble dry, do not use bleach, do not iron
Specifications
Specifications
- Product type
- Rash Guards
- Main colour
- Black
- Material
- Polyester
- Gender
- Mens
- Country of origin
- China
Delivery & returns
Delivery & returns
UK delivery: standard £4.99, or free on qualifying orders of £75 or more. Express £9.99 where available. These rates apply to normal goods; oversized items and items shipped separately may have different charges.
Check the delivery options and estimated dates shown at checkout. View delivery & returns.
Returns & exchanges
Items must be returned within 30 days of purchase, unused, unsoiled and in resellable condition, in their original packaging with all tags attached. Hygiene exclusions apply; see our refund policy for full terms.
Start your return or exchange in our returns portal. Enter your order number and email address or postcode, select the items, and follow the instructions provided after approval. Use the return address and shipping instructions supplied for your order.
For oversized items or if you need help arranging a return, contact us before sending the item back. Return methods and any applicable charges are provided during the returns process.
Refunds
After we receive and inspect your return, we will notify you of your refund status. Once approved, your refund should appear in your account within 5–7 working days. See our refund policy for exchanges, exclusions and full terms.
About the Venum Brand
About the Venum Brand
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