wax rash

Skin irritation, generally on the inner thighs, stomach, or chest, brought on by prolonged rubbing against the wax-covered deck of a surfboard. Wax rash is a warm-water affliction, as surfers use trunks rather than wetsuits; "wetsuit rash" is a separate but similar problem. Knee-length surf trunks were introduced not long after World War II to prevent inner-thigh wax rash; the Lycra "rash guard" w...