Wetsuits
Yamamoto – The global standard for high-function wetsuits

Yamamoto began producing wetsuits in 1961, offering the first wetsuit material in Japan that combined both high functionality and flexibility at a time when wetsuits were primarily composed of the heavy and stiff rubber used in tires. Early customers included Japan’s Defense Agency and the famous female oyster divers of Japan’s fishing industry. These customers sought a wetsuit that allowed for greater mobility underwater, improved heat retention and a better wearing experience. A unique rubber material was developed and patented to resolve these problems.

This new product instantly gained recognition worldwide, particularly among serious practitioners of marine sports such as deep-sea divers and triathletes. The material is currently used in more than 70% of the world’s high quality wetsuit brands. The heat retention, low resistance and flexibility of our wetsuit materials are particularly well-suited to the rigors of triathlon competition, and we boast a dominant position in this market with over a 90% share.

Yamamoto employs three different patented materials in its highly regarded line-up of wetsuit materials.

S.C.S. (Super Composite Skin)
Our unique patented S.C.S. material developed specifically for top-flight international athletic competitions features a specially processed coating applied over our patented closed-cell neoprene rubber.

S.C.S. Metal
S.C.S. Metal adds a special, ultra-thin, 70 micron film of titanium alloy under the processed coating to further enhance the material’s heat retention properties while retaining its superior flexibility and comfort.

Titanium Alpha
Titanium Alpha is Yamamoto’s new, patented wet and dry suit material which consists of a five-layer structure of neoprene rubber surrounded by two layers of titanium alloy coating, each laminated with a synthetic fiber jersey material.


All materials boast the following superior qualities:
  Ultra-low resistance
The specially processed coating of our S.C.S. and Titanium Alpha materials results in a micellar surface that repels water when in contact with air and exhibits hydrophilic properties when underwater. This unique dual functionality results in an astounding resistance coefficient of 0.021 when wet (compared to 4.0 for conventional neoprene wetsuits) and 0.035 when dry (compared to 5.0 for conventional neoprene wetsuits).
  Superior moldability and enhanced comfort
The body fit is optimized with the superior moldability of our S.C.S. and Titanium Alpha materials. This provides enhanced comfort and further reduces water resistance while also allowing for an unprecedented range of movement while swimming or diving. The expansion ratio of the materials is 7 times greater than that of conventional wetsuit materials and the difference is apparent even before you get in the water through the ease in wearing the suit.
  High heat retention
Due to the superior heat retention of our S.C.S. and Titanium Alpha materials, the body is kept warmer, decreasing body fatigue and improving performance. Moreover, S.C.S. Metal and Titanium Alpha feature enhanced heat retention through their ultra-thin titanium alloy films. Titanium Alpha boasts heat retention properties that are 40% greater than conventional neoprene wetsuits.
  Light Weight
Due to their water-repellant properties, our S.C.S. and Titanium Alpha materials do not absorb water, avoiding the extra weight of water-logged suits that can hold swimmers and divers back and force them to expel precious additional energy. Moreover, Titanium Alpha’s superior heat retention properties enable the construction of a thinner neoprene rubber layer (from 5.0mm to 3.0mm), further reducing the weight of the wetsuit and enhancing the performance of the swimmer or diver.
  High Durability
Our S.C.S. materials are extremely durable and resistant to abrasions, allowing for a longer product life as well as enhanced performance throughout the product life.




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