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Synergy Men's Endorphin Full Sleeve

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Your Price:
$179.99 (You save $119.01)
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Product Description

Synergy Men's Endorphin Full Sleeve Triathlon Wetsuit

We offer a 100% risk-free guarantee on the 2012 Synergy Endorphin. If you are not 100% satisfied with your purchase, you may return the suit to us within 30 days for a full refund. We will also pay the cost of shipping the suit back to us.


Check out some "How To" Videos provided by Synergy Wetsuits:


How to Know if your triathlon wetsuit is too small:


How to know if your triathlon wetsuit is too big:


How to put on a Synergy triathlon wetsuit:


How to quickly exit a triathlon wetsuit:



Size Height (ft/in) Weight (lbs) Build Height(cm) Weight(kg)
S1 5'2-5'6 120-135 Light & Small 157-167 54-61
S2 5'6-5'9 135-150 Small 167-175 61-68
S3 5'7-6'0 150-160 Small & Tall 170-183 68-73
M1 5’8-6’1 155-170 Medium 173-185 70-77
M2 5'9-6'2 165-185 Medium & Tall 175-188 75-84
M3 5'9-6'3 180-195 Medium & Large 175-191 82-88
L1 5'9-6'4 195-220 Large 175-193 88-100
L2 5'11-6'5 220-250 Extra Large 180-196 100-113
L3 6'0-6'6 250+ XX Large 183-198 113+



  • Let’s start at the top and work our way down the suit.
  • One of the great features of the Endorphin is the thin and super smooth neck.

 neck.jpg     neck2.jpg

  • It is designed to fit low on your neck, which eliminates chafing. It goes under your adam's apple.
  • It has 1mm thin smooth skin on both sides, which creates a seal and because it is so soft, it feels like you hardly have anything around your neck
  • You can see here just how smooth and super flexible it is.


  • And when held up next to this orca suit…   there is simply no comparison…


  • Going down to the shoulders and arms you will notice that it is just one super flexible 2mm thick panel. By eliminating extra seams, you maximize a panels flexibility.


  • The lower arm panel is ribbed, which helps you grab the water better.


  • You will notice that some other brands have various grip panels, but let me tell you that those do NOT work, because they create as much resistance during the glide phase of the stroke as they gain during the catch phase.
  • The grip panel on the Endorphin is ripped in forward, which means that there is NO resistance during the glide phase, but as soon as you begin the pull phase of the stroke, the panel catches water as it moves around the arm, which helps propel you forward faster.
  • You will notice that some brands use a similar ripped panel, but turn the rips sideways, which is completely ineffective, since it creates resistance during the glide phase and NONE during the catch phase. It underscores how even some of the most established brands are clueless on how to do this properly.


  • Moving down, the Endorphin features a large 5mm thick Buoyancy panel, that we call The AquaLift panel, which stretches from the upper chest all the way to the knees. This panel will keep you floating high in the water and is the maximum thickness allowed for maximum buoyancy.



  • All Synergy suits are Ironman approved, ITU approved, USAT approved and FINA open water approved.
  • On the back, the suit features a large aqua Velcro patch, which allows for superior adjustability, so you can make the neck closure fit just the way you like it.


  • The zipper is the highest grade anti corrode wetsuit zipper from YKK.
  • It is an internal zipper, which means that it greatly reduces drag as you move through the water.


  • The zip lanyard has Velcro on the tip, which allows you to attach it to the neck patch. The cover flap is designed to protect the zipper during the swim from your competitors AND it is made so that you can tuck the lanyard inside.
  • When you exit the water, you simply pull the cover flap and reach for the lanyard.
  • The two back side panels are the BioAlign panels, which are stiffer panels that helps the swimmer align their spine while swimming, which helps eliminate ‘Snaking’, which is one of the issues facing many triathletes and which create a lot of drag.


  • Below the knees, the panel thickness goes to 3mm, which allows for an effective kick. It has also been shown to be the right thickness to insure proper balance in the water and insure that your hips do not dip in, which often happens in suits with 5mm thick lower legs.
  • We use an ultra smooth lining in this panel that make it super fast to exit during T1.
  • The speedcut heel is cut at an angle to insure easy entry and easy exit. This suit is incredibly fast during transition!


  • You can see how to put the suit on and how quickly you can get it off on our website:
  • This covers the basics on this suit, but there are more features and you can read about them in the product description below.

Thank you for considering Synergy!


Warranty Information

Synergy products are built to last. Our products are fully warranted against any defect or fault that is a direct result of manufacture, material or workmanship for a period of one (1) year. Synergy’s lifetime warranty allows the end-user to send in their used product for a replacement at 30% under MSRP at any time. At our discretion we will repair or replace any item that is deemed faulty. We do not cover defects due to misuse, improper care or general wear and tear. Thank you for your purchase.

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Product Reviews

Showing reviews 1-10 of 170 | Next

  1. Not bad....

    Posted by Craig Bamford on 9th Oct 2014

    meets all the was perfect...but the zip arte adown the base of the suit bunches up a bit...may have been cut incorrectly but otherwise ok

  2. great fit, easy to get in and out of

    Posted by Barry Stadler on 7th Oct 2014

    Just completed my first tri where a wetsuit was needed. And this new purchase was put to the test! Weather was fierce -- 42 degrees, 20-30MPH winds. This wetsuit saved the day. I was nervous about getting out of it during T1, but it was a breeze! Highly recommend!

  3. First time wetsuit wearer

    Posted by Unknown on 14th Sep 2014

    The wetsuit did what I needed it to do. I should have gone up to M2, but that is my own fault for waiting so long prior to my triathlon to place an order.

  4. Exactly what I wanted

    Posted by Unknown on 11th Sep 2014

    After going through the first year, this suit provided exactly what I wanted. Purchase with confidence.

  5. Great suit...great price!!

    Posted by Unknown on 27th Aug 2014

    Bought this wetsuit about 2 months ago and love it. just did an Ironman and it felt fast and fits perfect.

  6. Good fit !

    Posted by Martin on 14th Aug 2014

    I just received my Endorphin Full Sleeve and the fit is perfect (5'-7'' 165lbs - Size M1). I look forward to try it in the lake next weekend.

  7. Amazing suit

    Posted by Karl Anthony, Tecate on 10th Aug 2014

    I read the review in Triathlete last month that Synergy was the fastest wetsuit in their test, so I thought I would try it out. I was not disappointed one bit! This suit is truly amazing!

  8. 18% speed improvement over no wetsuit!

    Posted by Justin on 30th Jul 2014

    Great wetsuit. 5'11" 183lbs and M3 fit perfect (snug race worthy but not constricting). Cut my times by 18% on first trial run versus no wetsuit! Took 10 strokes for every 13 without the wetsuit. Great body position in the water. Feels like it would glide forever.

  9. Great suite...great features....great price!!

    Posted by Unknown on 22nd Jul 2014

    I'm 6'2" 180lbs and the M2 size fit perfectly for me. The features set of the suite is awesome with many features found only in more expensive suites. After receiving the suite on Thursday, I raced the next Saturday in it and improved my time significantly.

    I would highly recommend the suite. It's a great value with great features.

  10. I love my new wet suit

    Posted by Steve Collar on 21st Jul 2014

    My wetsuit is comfortable, easy to get on and off. It cleans up well and dries fast. It is a very cool wetsuit for the price and it gives me incredible buoyancy in the water when I swim in the ocean. I swam in Santa Monica at tower 26 on Sunday morning at 9 a.m. with a group of other swimmers. I did about a mile and I felt great. I am a newbie to swimming in the ocean, but the wetsuit gave me super powers. I would not have done as well with out this wetsuit. I have a lot to work on as a new ocean swimmer, but I am one step closer to completing my first triathlon and I will be doing it in my new Synergy wetsuit.

    Thanks for all your help.

Showing reviews 1-10 of 170 | Next


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