The Arctic Heat Ice Vest for Triathlon: Your Secret Weapon on Race Day

Triathlon accumulates heat stress across multiple disciplines. The swim keeps you cool, but the bike leg builds significant heat load. By the time you reach the run, your core temperature is already elevated. Pre-cooling before the race start gives you a thermal buffer that delays the point at which heat becomes a limiter — most valuable on the run leg where most athletes suffer most.

When should triathletes use a cooling vest?

  • Before the race: Wear the vest during your warm-up and at the start line. Remove it when you walk to the water for the swim start.
  • T1: At longer Ironman events, some athletes keep a vest in a small cooler in transition before mounting the bike.
  • T2: Your last cooling window before the run. Some athletes use a supporter with a fresh vest at T2 at major events.

Which Australian triathlons are most affected by heat?

  • Ironman Cairns: June, warm and humid tropical Queensland.
  • Ironman Port Macquarie: May, coastal NSW, warm with high humidity.
  • Ironman Western Australia (Busselton): December, peak Australian summer.
  • Noosa Triathlon: October, Queensland coast, warm and humid.
  • Challenge Shepparton: November, inland Victoria, can be very hot.

How do pro triathletes use cooling vests?

Pre-cooling is standard practice at the professional level. At Ironman World Championship events in Kona and Nice, professional athletes wear ice vests right up to their wave start. The Arctic Heat vest is used by triathletes in Australia and the US — US-based athletes can find the full range at Arctic Heat USA.

Your secret weapon for race day.

The Arctic Heat ice vest is in stock now with fast Australia-wide delivery. Pre-cool before your next triathlon and feel the difference on the run.

Shop Arctic Heat Ice Vests →

Frequently asked questions

Can I wear the Arctic Heat vest under a tri-suit?

Yes. Low-profile and form-fitting. Most triathletes wear it over their tri-suit at the start line for easy removal before entering the water.

Is a cooling vest legal in triathlon?

Yes. Legal under World Triathlon and Ironman rules. Classified as thermal management equipment.

What size vest should a triathlete choose?

Size by chest circumference, choose smaller if between sizes: XXS 80cm, XS 85cm, S 90cm, M 95cm, L 100cm, XL 105cm, 2XL 110cm, 3XL 115cm.

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