Kimono Microthin Large, thin and strong lubricated condoms The combination of Japanese engineering, premium natural latex, and a proprietary formula allows us to create a very thin condom that ranks among the thinnest condoms available today. Kimono MicroThin condoms are 5X tested, and not only meet, but exceed US and International Standards for strength and reliability. Kimono Microthin Large condoms are 38% thinner and crafted to exacting standards of quality.