Isami Karate Gi Mas Oyama

Made in Japan

Jacket: 3 150cm 4'11"
Pants: 3 150cm 4'11"
Sale price$199.95
Made to Order (2-3 months)


  • This premium Karate uniform was developed many decades ago specifically for Masutatsu "Mas" Oyama, the founder of Kyokushin. 
  • The upgraded version of our Isami Karate Gi Classic is handcrafted by master seamstresses in Japan using thick cotton fabric in traditional ivory color (unbleached).
  • Sosai Oyama used to say that this was the most durable and comfortable Full Contact Karate Gi he had ever tried.
  • Recommended for full contact fighters who appreciate hearing the gi snap when throwing kicks and punches.
  • You can mix and match sizes for a perfect fit so make sure to check the detailed size chart.

⭐⭐⭐⭐⭐ Jonathan M. from USA
"This gi is a piece of art. Incredible quality, better than I imagined. Quality of the fabric is impeccable. Sizing chart is quite exact and the gi looks like it was tailored for me."

⭐⭐⭐⭐⭐ Christopher S. from USA
"First of all, best dogi I have ever owned. So strong and thick, yet still so easy to move in and so much room. Expertly tailored and stitched for knockdown competition." 

⭐⭐⭐⭐⭐ John K. from USA
"Absolutely love my new gi. Everyone in the dojo is now getting one. Perfect fit to the measurements in the ordering size chart and prompt delivery from Japan. It is the most comfortable gi I have worn. Very happy. Osu!" 

▶️ Click here to add Custom Embroidery in English and in Japanese.
▶️ Click here to request Size Adjustments for a perfect fit.

🌟 The Isami Karate Gi Mas Oyama is the hardest karate uniform we make, and yet extremely comfortable to wear. The jacket is made of 100% cotton canvas; pants are made of 100% cotton twill. The stitch lines are reinforced, perfectly laid out and will never break.  Make no mistake: this is a premium unbleached karategi made in Japan for karateka who demand the best. We hope the spirit of osu will inspire you to fight harder!

⏳ Pre-Order Opportunity

Eager to own Isami Karate Gi Mas Oyama? Pre-order now, even if your desired size is unavailable. While crafting this premium item in Japan takes 2-3 months, we often ship orders ahead of schedule. Rest assured, we'll keep you informed with timely updates and tracking details throughout the process. Trust in, Isami's official international partner since 2006, to deliver nothing but the best!

🚫 Special Note on Returns and Exchanges

Given the limited stock and exclusivity of Isami Karate Gi Mas Oyama, we generally cannot accommodate returns or exchanges. However, in the rare instance that a mistake is made on our part, rest assured, we will promptly address it and facilitate an exchange.

📏 Isami Karate Gi Sizes

Make sure to check our detailed size chart by clicking the link next to the blue Add to Cart button. If needed you can mix and match jacket and pants sizes for a perfect fit. Still unsure? Please contact us and we'll be happy to assist you with sizing.

🥋 Isami Karate Gi Mas Oyama

Model: K-500
Color: Ivory (unbleached)
Fabric: 100% Japanese cotton
Six sizes for men and women
Pants have a drawstring
Made in Japan

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