Mean [95% confidence interval] and individual values of right-hand thermal sensation, comfort and pain obtained during the 30-min hand cold-water immersion phase in the mild-hypothermic (A) and the normothermic (B) provocation trials, performed before and after the 5-day acclimation regimen. CA group, cold-acclimation group (n = 7 men); CON group, control group (n = 7 men). Data were analyzed with Kruskal–Wallis’ test, followed by either Mann–Whitney U or Wilcoxon signed-rank test (P ≤ 0.05). *Significantly different from the preacclimation trial.