Wetsuits do indeed keep you warmer than you would be without one, but this really isn’t the primary function of the suit. Triathlon wetsuits give you buoyancy, and allow you to swim faster and more efficiently thus allowing you to save your energy for the other disciplines. Buoyancy is the main function of the suit and swimming faster and more efficient is a result of being buoyant. Being buoyant in the water helps reduce drag because you’re higher up in the water than you normally would be with no suit. Less water equals less resistance. Most triathlon wetsuits now days, whether they are entry level or elite, are coated with some form of SCS which has hydrophobic properties and helps reduce drag so you glide through the water.

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