Table 6. Blood lactic acid ([Bla]) concentration before and after pre-cooling and at the end of exercise in a hot environment. Data are means ±SD, n = 7.

Variable	Control	Vest	Beverage	Mix
[Bla] before (mmol/L)	1.74±0.48	1.80±0.22	1.60±0.08	1.61±0.22
[Bla] after (mmol/L)	2.87±0.22	2.27±0.80	1.89±0.29	1.61±0.18*
[Bla] exhaustion (mmol/L)	8.71±0.61	7.59±1.20	6.64±1.36	5.18±1.13*

** p < 0.01 vs. CON