JMJ Manufacture uses neoprene from several manufacturers in order to cover the wide range of needs that our customers have for their wetsuits. A popular request is for a suit that can be used for surfing and scuba diving in waters from the Carribean to the Oregon Coast. Unfortunately, no such suit exists. The flexibility needed in a surfsuit is different than the need for warmth in a 7mm divesuit. Neoprene, a synthetic rubber, can be formulated by the manufacturer to have different densities and characteristics. In addition, different linings or coatings can be laminated to the neoprene which also offer different advantages. Therefore the wetsuit manufacturer and customer are faced with a wide variety of choices when it comes to the design of a wetsuit for a particular sport or activity. JMJ Manufacture strives to use materials which offer the customer the best value and quality available.

We offer materials ranging in thickness from 1.5mm up to 9mm (1/16" up to 3/8"). The basic rule of neoprene is the thicker it is the warmer yet more restrictive it will be. The most comfortable suit will be one made of the thinnest material which can still keep the user warm in the environment for which it is intended. Generally speaking, suits for above water activities such as surfing, bodyboarding, boardsailing etc, are made of materials in the 1.5mm to 4mm range, while suits used for underwater activities such as scuba and freediving are normally 5 - 7mm.

While the thickness of the neoprene is important the type of fabric or coating laminated to one or both sides is equally important to determining the best material for a particular purpose. Nylon is the most common fabric to be put on either one or both sides of a sheet of neoprene. In addition to the choice of color, nylon gives the neoprene a durability and resistance to abrasion far stronger than unlined neoprene, and makes the suit a lot easier to put on and take off. But nylon reduces the stretch of the material and also absorbs water which makes the suit heavier and colder in windy conditions. So the benefits of durability and ease of use must be weighed against the need for warmth and flexibility. JMJ Manufacture designs wetsuits using materials and patterns which it believes to be the best for specific needs. While we allow the customer a wide range of choices for all types of wetsuits, we will not build anything that we are not confident will deliver great value to the customer.