Tech Cool clothes: Bras, boxers and bracelets to keep cool from the inside out during heatwave July 29, 2019 Madeline Purdue, USA TODAY Comments Off on Cool clothes: Bras, boxers and bracelets to keep cool from the inside out during heatwave The worst thing about summer? Sweat. The 58Cool bra cooler, Snowballs Underwear and Embr Wave bracelet help you beat the heat in unusual fashion.