Effect of newly required American football headgear on thermoregulation during exercise in the heat. - Langan, Sean P.; Martin, David G.; Thomas, Loghan; Good, Ann; Funk, James R.; Barker, Roger; Deaton, Shawn; Guevel, Sophie; Crandall, Jeff R.; Sills, Allen; Myers, Barry S.; Arbogast, Kristy B.; et al. (Sports Engineering (Springer Science & Business Media B.V.), 2025)