The payoff if you'll be a lot warmer in a one-piece wetsuit than you would in a shortie. Wetsuits are made in a variety of thicknesses of neoprene. The thicker the neoprene, the warmer you'll stay and the more flexibility you lose. One thing to keep in mind is because neoprene contains air bubbles, the deeper you descend in the water, the thinner your suit will become.
If you're comfortable on the surface, you may find yourself feeling cold at depth if your suit isn't thick enough. This thickness slightly insulates the diver from the water and protects the diver from sharp or injury-causing objects at depth.
This option is also a great way for snorkelers to protect themselves from the sun. If you tend to feel warm easily, this is probably the best thickness for you if you plan on being in warm or slightly cool water. This thickness insulates the diver better than a 2 or 3-mm suit; the tradeoff is that the diver's range of motion is slightly reduced because of the thicker material. It offers the greatest amount of warmth and the least amount of flexibility.
The 7mm thickness offers a large amount of air bubbles to trap the heat, which is important, especially as your descend and the water's pressure compresses your suit. Because wetsuits offer significant protection from jellyfish, coral, sunburn and other hazards, many divers opt to wear a thin suit that provides minimal insulation often called a "bodysuit" even when the water is warm enough to comfortably forego insulating garments.
A thick suit is stiff, so mobility is restricted; at a certain thickness, the suit would become impractical, which is why drysuits must be worn in particularly cold environments. A wetsuit is normally described in terms of its thickness.
With new technologies, the neoprene is getting more flexible. Some wetsuits have extra layers added for key areas such as the lower back. Improve your thermal insulation with a hood, a neoprene undershirt, a neoprene top with a hood, a 1 mm under-shorty or a 5. Thus, for the sake of thermal protection of the diver, wearing a well-fitting hood is good practice, even at fairly moderate water temperatures.
While the wetsuit does need to be form-fitting, it is important that it not be too tight OR too loose. This allows the warmed water to remain in place for the duration of the dive, especially important in recreational scuba diving, as the material will compress somewhat as the diver goes deeper. Too loose and water will constanly move in and out of the suit preventing the water from being warmed. Because wetsuits trap your body heat, they need to fit snugly. It is important to note that snug does not equate to uncomfortable.
It is important to note that you will have a reduced range of motion in a well-fitted wetsuit. The thicker the neoprene necessary for warmth , the less freedom of motion you'll have. Wetwear suggest a hood to be worn when diving in colder water. The short sleeve shorty and short john can also be worn alone for above water activities such as snorkeling, surfing, kite surfing, water skiing, personal watercraft, swimming, etc.
This wetsuit combination is primarily used by commercial and military divers. A commercial diver can use this suit in combination when working on scuba for numerous work situations at depth in cold water.
When working in shallow water on decks, docks, seawalls, fisheries, boat maintenance etc. A flap in the rear the beaver tail passes forward between the legs and attaches to the inside bottom front of the jacket. Two twist locks and grommets, one on either side of the zipper, were once common fasteners.
Wetwear still offers twist locks and grommets for Vintage wetsuit divers. This combination is primarily used by military divers, commercial divers in Central and South America and at some resorts for rental wetsuits. The advantage of the Beaver Tail Jacket and High Waist Pants is it can be mixed and matched top and bottom for a better fit when the suit is used by more than one diver.
This wetsuit combination is also perfect for handicapped divers when adding the EZ-ON Expansion Zipper feature to the arms and legs. The vest is great for warm water scuba and surface water activities. When the vest is used for warm water scuba, it will offer some warmth but the main advantage is protection from the scuba equipment. The vest used for surface water activities also offers warmth and protection from equipment and the environment. Wetwear offers the vest with several types on donning features.
Choose from the no zip pullover, a front entry zipper or a side entry zipper. Wetwear recommends the hooded vest to be worn over the primary wetsuit.
The hooded vest can also be worn under a primary wetsuit but there are several considerations before doing so. First, the primary wetsuit must fit over the hooded vest comfortably so as not to restrict breathing. Second, the primary wetsuit should have a front entry zipper. A wetsuit with a back entry zipper has a high collar which fits snug to the neck. Wearing a hooded vest under a back entry wetsuit may cause blood flow restriction. The hooded vest can be worn alone for swimming activities.
Hoods are the most difficult wetsuit item to comfortably. There are many factors in fitting hoods. Do you have a long neck, short neck or no neck? Is your neck skinny, normal or thick? Do you have a normal chin, long chin or short chin? Do you have a long face, round face, rectangular face, oblong face, triangular face or square face?
All these factors and more play into the fit of a hood. A hood also needs to stretch more in the girth than in the length. Most all hoods available in stores or online are made with the stretch in the length of the hood. Since the girth of your head is greater than the girth of your neck, a hood made with the stretch in the length will be very difficult to got on. As you begin to pull the hood over your head, the opening becomes smaller.
Once you have the hood on, you may notice an uncomfortable head and neck squeeze. We call this the Chinese finger lock effect. All Wetwear hoods are cut with the stretch in the girth allowing ease of donning and a comfortable fit.
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