Taimura, A., Matsunami, M., & Sugawara, M. (2003). Thermal responses to swimming: The influence of bodysuits. Medicine and Science in Sports and Exercise, 35(5), Supplement abstract 147.

Male college swimmers (N = 12) swam two front crawl 1500 m at sub-maximum efforts, one in a regular suit and the other in a bodysuit.

There was no significant difference oral body temperature between the two suits. Mean skin temperature and bodily thermal sensation were significantly higher for bodysuits than regular suits.

Implication. Bodysuits inflate the thermal responses of swimming.

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