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blueseventy Helix Long John Triathlon Wetsuit

Item #: 07-0434
Regular price: $420.00
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The blueseventy Helix Long John Triathlon Wetsuit is the culmination of years of testing and research. Simply put, the Helix is simply the finest suit ever by blueseventy. For 2008 they introduce TST, torsional stretch technology, further isolating the shoulder panels from the body of the suit, to improve flexibility. Combined with the existing quick exit legs, reverse zipper and multi-stretch cuffs, the Helix triathlon wetsuit improvements make for a faster, more comfortable suit. In 2007 this was the suit of choice for athletes in the pro ranks, and based on their feedback, has led to enhancements that will not change that perception. This long john version of the Helix provides all the benefits of the full suit, but without sleeves.

Existing Features
  • Anatomically designed back and shoulder panels allow maximal stretch in all directions.
  • Abrasion-free collar constructed of folded soft smooth skin neoprene, for uninhibited sighting and breathing during open water swimming.
  • Reversed Quick Exit Zip; driven by professional athlete’s feedback, our reverse zipper is faster than anything else when exiting your suit. It eliminates broken zips, the chance of your zipper being pulled, and helps reduce neck chafing…“a pleasure to use in the helix”- Inside Tri Magazine review.
  • Anatomical lower leg cut, including high stretch inserts, designed and tested to allow quicker exit from your suit.
  • Pre-formed knees reduce resistance through the water.

    2008 Advancements
  • The introduction of TST (torsional stretch technology) – technically superior Yamamoto materials are integrated into our advanced Helix pattern, and mechanically decouple the arms from the rest of the suit. When you stretch into the stroke you are normally pulling against the other panels of the suit. In the Helix TST, the TST panels work to ‘float’ the arm so it doesn’t have to work against the body of the suit.
  • Suit Body is 5mm SCS Layered 39 cell Yamamoto rubber.
  • Legs are 4mm SCS Layered 39 cell Yamamoto rubber.
  • Larger underarm gusset has been anatomically aligned for better movement.
  • Ribbed rubber behind the knee reduces compression resistance during knee flexion when running.
  • Further reduction in collar bulk to reduce abrasion and assist in movement of the head when sighting during swimming.
  • A wider range of women’s sizes



    Men's Height(in) Weight(lbs) Build Height(cm) Weight(kg)
    XS 4'10-5'4" 121-143lbs Extra Small 147-160cm 55-65kg
    SM 5'4"-5'9" 141-165lbs Small 160-170cm 65-75kg
    SMT 5'8"-6'0" 150-172lbs Small/Tall 168-182cm 68-78kg
    M 5'8"-6'1" 162-187lbs Medium 172-184cm 74-85kg
    MT 5'11"-6'2" 160-190lbs Medium/Tall 180-188cm 76-86kg
    ML 5'11"-6'3" 180-198lbs Medium/Large 182-194cm 82-90kg
    L 5'11"-6'4" 192-220lbs Large 184-194cm 88-98kg
    XL 6'0'-6'6" 209+lbs Extra Large 185-200cm 96+kg
    Women's Height(in) Weight(lbs) Build Height(cm) Weight(kg)
    WXS 4'8-5'1" 98-112lbs Extra Small 139-150cm 45-51kg
    WS 4'10"-5'3" 108-121lbs Small 147-160cm 49-55kg
    WMS 5'0"-5'5" 117-132lbs Medium/Small 152-165cm 53-60kg
    WM 5'3'-5'9" 123-141lbs Medium 160-175cm 56-64kg
    WML 5'6"-5'11" 139-154lbs Medium/Large 167-180cm 63-70kg
    WL 5'6-6'0" 145-165lbs Large 169-182cm 66-75kg
    WLA 5'6"-6'0" 160+lbs Large/Athena 169-182cm 73+kg
    Shipping Weight: 5.0 lbs.