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4/3mm Men's O'Neill HEAT Full Wetsuit
Quantity in Cart: None
Code: 3359
Price: $289.95
Rating5 out of 55 out of 55 out of 55 out of 55 out of 5


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O'Neill Heat 3Q Zip FSW

The O'Neill HEAT is a sweet, high-end wetsuit, with lots of nice refining features. The entire suit is made of 100% superstretch neoprene for maximum flexibility in the water, and fewer seams for even more stretch. The waterproof back zipper works in conjunction with the external liquid taped seams, and the anti-flush neck seal to keep cold water from penetrating the suit. A poly fleece chest & back lining wicks moisture from the skin, which really helps with thermal insulation. Also features an external key pocket, and durable kneepads. The Heat has been O'Neill's best selling suit for a long time, you should check it out!

O'Neill Wetsuits come with a 1 year warranty on materials and craftsmanship (90 days on accessories).  You can help keep your wetsuit in great shape for years to come by always rinsing in fresh water and hanging to dry.  A number of wetsuit care products can be found on our Wetsuit Accessories page.

Summary of Features:

Water Temp Rating 45-50 Degrees & Up
Style Fullsuit
Thickness 4/3mm
Neoprene Type 100% Stretch
Seam Construction Sealed & Liquid Taped
Zipper Style Short Back Zipper
Internal Features Poly Fleece Lining
Additional Features Key Pocket & Kneepads
Warranty 1yr
Manufacturer's Part Number 3859


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  Wetsuit Review - 4/3mm Men's O'Neill HEAT Full Wetsuit
Average Customer Review: 5 out of 55 out of 55 out of 55 out of 55 out of 5 15 Reviews
Review this product and share your thoughts with other customers.

5 out of 55 out of 55 out of 55 out of 55 out of 5 Comfortable
3-14-2014
Reviewer: Tom

First, 2XLS Heat fits my 5'5", 215 lbs frame: its easy to get on and off. Most importantly it is very warm and much less restricting that the vintage 4/3 Evolution it replaces. Can't speak to durability, but after two windsurfing sessions, 62 degrees air, and 55 degrees water, temperatures, I am very satisfied.

 

5 out of 55 out of 55 out of 55 out of 55 out of 5 gotta upgrade
1-11-2014
Reviewer: greg

Felt a little tight in the shoulders and back first time out , but it loosened up the more I went surfing. I'm about 185lb and 6ft so I bought a large and love it. Thought I would use it throughout the winter too however 38-40 degree water and winter winds have changed my perspective. Great for fall but gotta get a 5/4/3 or a 6/5/4 if i'm going to stay warm, thats me though. Not much meat on my bones and in retelatively trim in shape.

 

5 out of 55 out of 55 out of 55 out of 55 out of 5 Excelent suit!
8-24-2013
Reviewer: Phil

This Suit is very well constructed many years of use to be had. Neoprene is warm comfortable light weight with no movement restriction which will make for great rides I'm stoked for winter.

 

3 out of 53 out of 53 out of 53 out of 53 out of 5 Good impression but product quality issue caused a return
2-25-2013
Reviewer: Tommy in Texas

I evaluated three different 4/3 suits: Oneil Psycho 3, Oneil Heat, and Xcel Infinity Drylock. Each was used for a slalom waterski session with the lake temp and air temp around 60 degrees. You can see my detailed reviews for each suit under their respective product sections. The Heat gave a good overall impression and is a fine mid-range suit. It was very easy to put on and take off without any assistance from another person. The back zip flap is pretty small and allowed some amount of water that leaked thru the zipper to reach my skin which I didnít care for. The neoprene is very flexible and feels like a second set of skin and doesnít overly compress my body. Itís almost like Iím not wearing any suit which makes it very comfortable. The seams are sewn inside and sealed on the outside and unfortunately the seal on my right leg failed after a short amount of time skiing with a ĹĒ gap being created which allowed water into my leg area. Iím very happy with the excellent support provided by Dave M at Wetsuit Wearhouse who allowed me to return the suit due to this defect. He says these suits rarely fail like that so perhaps my issue was a one-off situation.

 

4 out of 54 out of 54 out of 54 out of 54 out of 5 Great suit if you can get into it
1-16-2013
Reviewer: Bob

As noted in other reviews, the suit is of excellent quality, par for O'Neill. I am between sizes; a large is too small, and a XLS is too long, so I can't say I got a great fit. Because of reduced flexibility in the shoulders, getting into the Large was virtually impossible. Also, the zipper is exceptionally sticky, and unless you can reach around and hold the back of the suit down as you pull up on the cord to zip, you will need a buddy to help. If getting in and out of a suit is an issue for you, I had much better luck with O'Neill's low-end suit; the Epic II. It has a slightly longer zipper, which made entry easier. Don't expect this suit to be as warm or last as long as the HEAT, but it will do. For ultra-cold conditions, add an O'Neill hooded vest.

 

5 out of 55 out of 55 out of 55 out of 55 out of 5 Emperor of wetsuits
12-19-2012
Reviewer: Bill McClain

I'm a big guy. Most companies don't even carry a 3X. This suit fits me good. Keeps me nice and toasty. It does everything O'Neill said it would do. Life is getting too short (62) for me to put my boards up for the Winter.

 

5 out of 55 out of 55 out of 55 out of 55 out of 5 Technology is Awesome!
10-23-2012
Reviewer: Dwooddan

Just bought this suit and was able to test it out in CLEAN shoulder high surf! The suit was so comfortable, I almost slept in it the first day i received it from Wetsuit Wearhouse! This suit replaced a 12 year old O'neill suit, so there was absolutely no comparison.

 

5 out of 55 out of 55 out of 55 out of 55 out of 5 Great for Alaskan Kiteboarding
6-21-2012
Reviewer: Dan Young

I've been using this suit for a couple weeks now in cold Alaska Glacier fed rivers and inlets. Keeping me toasty warm while kiteboaring Alaska style. No problems at all with easy entry, solid easy zipper and comfortable fit.

 

5 out of 55 out of 55 out of 55 out of 55 out of 5 Just received my new 4/3mm O'Neill Heat Full Wetsuit, it looks and fits great.
12-30-2011
Reviewer: John Fitzgerald

I just received my new 4/3mm O'neill Heat Full Wetsuit. It looks and fits great. Great flexibility. Can't wait to get in the water to give it the full test !

 

5 out of 55 out of 55 out of 55 out of 55 out of 5 Great for cold water!
6-7-2011
Reviewer: montanalakes

I bought this wetsuit for my husband to allow him to wake surf in our freezing weather this year. He tried it out last weekend and love it. The sizing chart was a great help to give him a perfect fit.

 

View all 15 reviews