Sumo Ring (Koa/Titan)
Sumo Ring (Koa/Titan)
Sumo Ring (Koa/Titan)
Sumo Ring (Koa/Titan)
Sumo Ring (Koa/Titan)
Sumo Ring (Koa/Titan)
Sumo Ring (Koa/Titan)
Sumo Ring (Koa/Titan)
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Sumo Ring

Koa/Titan

Genuine koa wood meets robust titanium — no two Sumo Rings are alike.

89,00 €
89,00 €  €
Natural material:

Koa/Titan

Meteorite/TungstenSumo Ring - A tungsten ring with a meteorite inlay, featuring a faceted, reflective design on a dark background. Walnut/CeramicKeramik – Walnuss Lapis Lazuli/TungstenTungsten – Lapislazuli Meteorite/Lapis LazuliSumo Ring (Meteorite/Lapis Lazuli) Agate/Tungsten"Sumo Ring" features a striking agate inlay on a sleek tungsten band, exhibiting a bold and modern aesthetic. Whiskey Wood/CeramicKeramik – Whiskeyholz Oak/DamaskDamast – Eiche Lava/TungstenTungsten – Lava Obsidian/TitanTitan – Obsidian Whiskeyholz/TungstenTungsten – Whiskeyholz Koa/TitanTitan – Koa

Ring size: 60

Made from genuine natural materials, with unique variations in color and texture.
Delivery in 2–5 business days
  • Free shipping including tracking

    Our customers benefit from free and fast shipping. More information here >

  • 24-month warranty

    During the first 24 months, we take care of any issues that arise through normal use. Learn more >

  • Free 24-day return | Club account

    Club membership is 100% free – members receive a prepaid return label at no extra cost. Even without an account, you can return within 24 days, with a small label fee. Here.

Packaged as a gift?
Description

A ring with two faces. Genuine koa wood and black natural resin form the heart of this unique men's ring. Set in titanium, the result is a piece of jewelry that unites two forces: the essence of nature and the strength of metal.

Our Sumo ring is simple yet strong – the perfect companion for men who know that true strength comes from within!
Details
Ring width 8 mm
Size Available in different sizes
Material Coa wood, black natural resin and ultra-light titanium
What's included

Your model

Storage box

Cork holder

Protective packaging

Genuine natural materials
No two pieces are the same
Over 2 million customers worldwide

Core features

koa wood

Aloha! koa wood comes from the South Seas paradise of Hawaii, where it is used to make surfboards and ukuleles. We also love the warm wood with its fine surface texture and golden to reddish-brown color tones, which make each unique piece a one-of-a-kind accessory. You don't have to fly to Hawaii any more, we bring Hawaii to you!

Titanium

It is named after mighty gods for good reason — titanium is simply unbeatable. This ultra-light yet extremely resilient metal is extracted from the earth's mineral compounds and represents the highest level of technical sophistication. In our one-of-a-kind pieces, it combines maximum hardness and scratch resistance with a uniquely light feel — for impressive strength and elegance in every moment.

Minimalistic Everyday Style

Less is more. Minimalist jewelry focuses on clear lines and uncompromising functionality. Each unique piece blends seamlessly into your look - without superfluous details, but with maximum effect. Our jewelry is based on precise craftsmanship and natural materials - a combination that unites timeless style with a deep connection to nature.

THE ART OF MASTERY

Where nature meets craftsmanship

Every HOLZKERN piece begins with genuine natural materials from the forests, mountains, and oceans of our planet. With precision, experience, and innovative technology, we preserve nature's unique character and make it wearable every day. The result: accessories that are as individual as you are and remind you of your uniqueness for years to come.

Here’s what happens after you place your order

Strict quality control

Before it is packaged and shipped, each piece is individually inspected to ensure that it truly meets our high quality standards.

Secure packaging

If it passes the test, we’ll package it carefully, securely, and as plastic-free as possible. We include tools and replacement links with watches and Bandlets so you can adjust your product to your size right away at home.

100% satisfied or your money back

Just a few days later, you’ll be thrilled to find your package waiting on your doorstep! Unpack it quickly and try it on—you can test your items for 24 days and simply send them back if you don’t like them.

We're here for you

If you have any questions or issues, you can reach us through our service form. No waiting on hold or automated responses—our customer support team consists of 15 employees who are always committed to ensuring your satisfaction.

“With Holzkern I always want to express my love for nature and have set myself the goal of creating the perfect piece of nature for everyone.”

Elias Ferihumer

Founder of Holzkern