6mm uni-directional carbon fiber ring with matte finish, shown on white background
6mm matte carbon fiber ring with uni-directional grain, resting in a white crystal geode for a natural contrast
6mm uni-directional carbon fiber ring with matte finish, styled on a green plant stem for a natural outdoor aesthetic
6mm uni-directional carbon fiber ring with matte finish, displayed in a crystal geode setting.
Extreme close-up of uni-directional carbon fiber grain texture, showing linear matte finish and fine fiber alignment

CarbonFG Ultra Uni - 6mm

CarbonFG Ultra Uni Carbon Fiber Ring - Carbon Fiber / Uni-Directional / 6mm

Official CFG Product
Regular price $185
/
Ring Size
This slim 6mm ring features a uni-directional carbon fiber finish for a smooth, modern look that's handcrafted to order in the USA.

Why You'll ๐Ÿฉถ It

  • ๐Ÿ–ค Sleek Uni-Directional Finish - Linear carbon fiber grain creates a clean, matte aesthetic that feels ultra-modern and understated.
  • ๐Ÿ“ Minimalist 6mm Width - A slim silhouette thatโ€™s subtle, stylish, and incredibly lightweight.
  • ๐Ÿ›ก Built for Real Life - Stronger than steel and resistant to water, sweat, and daily wear.
  • ๐Ÿ‘Œ Comfort Fit, All Day Long - Soft standard shape with smooth, rounded edges hugs your finger without pressure points.
  • ๐ŸŒฟ Skin-Friendly Material - Hypoallergenic and nickel-free for irritation-free wear.
  • ๐Ÿ‡บ๐Ÿ‡ธ Handcrafted in the USA - Custom made to order using precision tools and expert finishing techniques.
Learn More Below
Read Before Ordering
  • We offer free returns or one free size exchange if needed. See full description for details.
  • This item is custom made to order in the USA and takes approximately 3-5 business days to produce before shipping.
Free Shipping
USA: $99+
Rest: $200+

USA: Orders $99+ ship free, otherwise rates start at just $7. Express options also available. For more details, please see our FAQ.

UK: Due to UK regulations implemented in 2020, we are only able to ship to the UK on orders with a value of $200 USD or higher. Your order will be eligible for free shipping.

Rest Of The World: We ship almost everywhere else, orders $200+ ship free, otherwise shipping starts at just $13 for many small and lightweight items. See our FAQ for more information.

SHIPPING INFORMATION

For our full shipping policy and method explanations, see our help center.

Experts in Carbon Fiber Since 2007

Since 2007, we have been passionate about using real carbon fiber and other advanced composite materials to develop, design and curate high-quality products.

Learn more about us

Why is Carbon Fiber Special?

๐ŸŽ๏ธ Premium Material

  • The material of choice when excellence demands both strength and lightness
  • Used in supercars, aerospace, and high-performance equipment
  • Modern, high-tech aesthetic that stands out

โœจ Luxury Appeal

  • A premium material chosen for innovation
  • Found in products from Ferrari to NASA
  • Makes a sophisticated statement

Learn More

  • Made from 100% real uni-directional carbon fiber
  • Sleek, linear texture for a stealthy matte look
  • Slim 6mm profile for a modern, minimalist feel
  • Lightweight and weighs under 1 gram
  • Stronger than steel, lighter than aluminum
  • Waterproof and chemical resistant
  • Hypoallergenic and safe for sensitive skin
  • Soft standard fit for smooth, all-day comfort
  • Handmade to order in the USA
  • Available in sizes 7-14, including half sizes

Refined, modern, and built to disappear on your hand โ€” the CarbonFG Ultra Uni ring is a masterclass in minimalism. Crafted from real uni-directional carbon fiber, its surface shows a smooth, linear grain that runs in a single direction, creating a subtle, matte texture unlike any traditional weave. It's a cleaner, stealthier aesthetic for those who want edge without the flash.

At just 6mm wide and weighing under a gram, this ring is featherlight but impressively strong โ€” 10x stronger than steel, waterproof, and resistant to harsh chemicals. The soft standard fit hugs comfortably, with rounded edges that make all-day wear effortless. Every ring is made to order in the USA using a precise hand-finished process that ensures quality and durability in every detail.

If your style leans sharp, understated, and future-forward, this ring checks every box. Order yours today.

Free Size Exchange and Returns

Try this ring risk-free! On this particular ring, we offer free returns or 1 free size exchange (USA only) within 30 days.

Dimensions

Band Width: 6mm (about 1/4")

Additional Details

  • Important Product Notes:
    • We offer free returns or one free size exchange if needed. See full description for details.
    • This item is custom made to order in the USA and takes approximately 3-5 business days to produce before shipping.
  • Materials Used: Real Carbon Fiber
  • Carbon Fiber Patterns Used: Uni-Directional
  • Finishes Used: Semi-Gloss
  • Warranty: 1 year

Free Ring Sizer

You can order a ring sizer for just $5 (ships for free).

Ring Size Guide

Download our free ring size guide.

International Ring Size Conversion Chart

See page 2 of our free ring size guide.

Dimensions

Band Width: 6mm (about 1/4")

Materials Used

Real Carbon Fiber

Carbon Fiber Patterns Used

Uni-Directional

Finishes Used

Semi-Gloss

Warranty

1 year

Shipping: Free US shipping over $99, otherwise rates start at just $7.

Express: Expedited options available. Cost calculated at checkout.

International:ย Free shipping over $200, otherwise rates start at just $13. Duties and taxes not included. See our FAQย for more information.

Returns: 30-day return policy for any unused and unopened items unless otherwise stated on the product page or if the item is a special order/customized item.ย See our full return policy here.