sweatproof
/ˈswɛtpruːf/Definitions
1. adjective
resistant to or not affected by sweat; able to withstand or repel moisture caused by sweat
“The sweatproof phone case is perfect for athletes who engage in intense workouts.”
2. noun
a fabric, material, or coating that is resistant to or not affected by sweat; something that can withstand or repel moisture caused by sweat
“The company developed a new sweatproof fabric for its sportswear line.”