





Men's · Leather Motorcycle Club Vest
OnyxMen's Leather Biker Vest, Club Fit
Price range: $282.00 through $360.00
Price range: $256.62 through $327.60
Final price depends on the size you choose.
- 1.3-1.4mm Platinum Naked Cowhide Leather for a substantial feel that holds its shape over time.
- True to size, with a collarless club cut and cropped center zipper.
- Two snap-down chest pockets, two snap-down slash pockets, two concealed carry pockets, and an interior cellphone pocket.
- Mesh lining with easy-access panels keeps the vest breathable in warmer conditions.
Sizing question? Email info@grandprixapparels.com with your chest and waist.
Want it your way?Custom leather, stitching and patches→
Details & features
- Quality Leather Construction: Built from 1.3-1.4mm Platinum Naked Cowhide Leather, The Onyx ensures durability and a luxurious feel.
- Club-Style Elegance: Embrace the collarless club-style design adorned with covered snaps and a cropped center zipper, presenting a modern and sophisticated look.
- Versatile Pockets: Four front pockets with snaps, including two snap-down chest pockets and two snap-down slash pockets, offer both style and utility.
- Essential Storage: Stay connected on the road with the interior cellphone pocket conveniently located on the left side.
- Seamless Back Panel: The single back panel design ensures a seamless canvas for patches and embroideries, eliminating the need to sew over seams.
- Mesh Lining Excellence: The mesh lining with easy-access panels allows effortless customization with personalized patches and embroideries.
- Blacked-Out Aesthetics: For a sleek and cohesive appearance, The Onyx boasts blacked-out YKK zippers and hardware.
Size & fit
Care
Shipping & returns

Built for the road
Inside the Onyx
The details that matter on this vest, straight from its spec.
- 1Quality Leather ConstructionBuilt from 1.3-1.4mm Platinum Naked Cowhide Leather, The Onyx ensures durability and a luxurious feel.
- 2Club-Style EleganceEmbrace the collarless club-style design adorned with covered snaps and a cropped center zipper, presenting a modern and sophisticated look.
- 3Versatile PocketsFour front pockets with snaps, including two snap-down chest pockets and two snap-down slash pockets, offer both style and utility.
- 4Essential StorageStay connected on the road with the interior cellphone pocket conveniently located on the left side.
- 5Seamless Back PanelThe single back panel design ensures a seamless canvas for patches and embroideries, eliminating the need to sew over seams.
Size & fit
Find your size
Measure over the shirt you ride in and compare with the chart.
Grand Prix size chart, from the chart image already on our site. Inch values are converted from cm.
Men's vest size chart
| Size | US | Chest cm | Waist cm | Height cm |
|---|---|---|---|---|
| XS | 36 | 91-94 (36–37″) | 75-78 (30–31″) | 168-171 |
| S | 38 | 95-98 (37–39″) | 79-82 (31–32″) | 172-175 |
| M | 40 | 99-102 (39–40″) | 83-86 (33–34″) | 176-179 |
| L | 42 | 103-106 (41–42″) | 87-90 (34–35″) | 180-183 |
| XL | 44 | 107-110 (42–43″) | 91-94 (36–37″) | 184-187 |
| 2XL | 46 | 111-114 (44–45″) | 95-98 (37–39″) | 188-191 |
| 3XL | 48 | 115-118 (45–46″) | 99-102 (39–40″) | 191-193 |
| 4XL | 50 | 119-122 (47–48″) | 103-106 (41–42″) | 193-195 |
| 5XL | 52 | 123-126 (48–50″) | 107-110 (42–43″) | 195-198 |
Spec sheet
The details
| Material | 1.3-1.4mm Platinum Naked Cowhide Leather for a substantial feel that holds its shape over time. |
|---|---|
| Fit | True to size, with a collarless club cut and cropped center zipper. |
| Storage | Two snap-down chest pockets, two snap-down slash pockets, two concealed carry pockets, and an interior cellphone pocket. |
| Weather | Mesh lining with easy-access panels keeps the vest breathable in warmer conditions. |
| Best for | Best suited to club rides and regular riding, on and off the bike. |
| Hardware | blacked-out YKK zippers and hardware |
| Size | 2XL – XL (8 options) |
| Color | Black |
The full story
About the Onyx
The Onyx drops the collar entirely for a cleaner club-style line, built from the same 1.3-1.4mm Platinum Naked Cowhide as the Shadow. Blacked-out YKK hardware and a single back panel keep it ready for patches.
Read the full description
Take the collar off a club vest and the whole silhouette changes. The Onyx is cut collarless on purpose, in leather heavy enough to hold that shape.
Collarless By Design
- Quality Leather Construction: Built from 1.3-1.4mm Platinum Naked Cowhide Leather, The Onyx ensures durability and a luxurious feel.
- Club-Style Elegance: Embrace the collarless club-style design adorned with covered snaps and a cropped center zipper, presenting a modern and sophisticated look.
- Versatile Pockets: Four front pockets with snaps, including two snap-down chest pockets and two snap-down slash pockets, offer both style and utility.
- Concealed Carry Convenience: Prioritize safety with two concealed carry pockets featuring bullet snaps and tapered holsters. Quick access is assured with the left-hand side pocket.
- Essential Storage: Stay connected on the road with the interior cellphone pocket conveniently located on the left side.
- Seamless Back Panel: The single back panel design ensures a seamless canvas for patches and embroideries, eliminating the need to sew over seams.
- Mesh Lining Excellence: The mesh lining with easy-access panels allows effortless customization with personalized patches and embroideries.
- Blacked-Out Aesthetics: For a sleek and cohesive appearance, The Onyx boasts blacked-out YKK zippers and hardware.
Materials
1.3-1.4mm Platinum Naked Cowhide Leather for a substantial feel that holds its shape over time.
Fit
True to size, with a collarless club cut and cropped center zipper.
Weather Performance
Mesh lining with easy-access panels keeps the vest breathable in warmer conditions.
Storage
Two snap-down chest pockets, two snap-down slash pockets, two concealed carry pockets, and an interior cellphone pocket.
Ideal Riding Style
Best suited to club rides and regular riding, on and off the bike.
Care Instructions
Wipe down after wet rides and condition every few months to maintain the leather’s feel.
Technical Specifications
Material: 1.3-1.4mm Platinum Naked Cowhide | Hardware: blacked-out YKK zippers and hardware
Rider reviews
Reviews
Bought this vest? Tell other riders how it fits and wears.
Questions riders ask
Before you order
How long does shipping take?
Please allow 2 to 3 weeks for shipping.
I'm between sizes. Which should I pick?
Email info@grandprixapparels.com with your chest and waist and we'll help you choose.
Does it have concealed carry pockets?
Yes, this vest has concealed carry pockets. See Details & features for the full pocket layout.
Can I add patches?
Yes. The patch guide on this page shows where rockers, center and chest patches usually go. For sewn-on club patches or a custom build, email info@grandprixapparels.com.
What is your return policy?
Returns and refunds follow our Shipping, Refund and Returns Policy.
Ride with Grand Prix
Built for the long way home
Leather that breaks in with you. Wear it over a denim shirt on a warm run, or under a jacket when the weather turns.



Patch guide
Where patches usually go
- Top rockerCurved patch across the upper back, under the collar. Usually a club or chapter name.
- Center patchThe main emblem, centered between the rockers.
- Bottom rockerCurved patch across the lower back, often a location.
- Front panelsName tags and smaller patches go on the chest, above or beside the pockets.
Club rules on patch placement vary, so check with your club first. Want patches or a custom design? Start a custom vest or email info@grandprixapparels.com.
Price range: $256.62 through $327.60







