2XU Men's Momentum 5" Shorts 100% Polyester Imported Waterproof vapor+ fabric protects you from the elements Breathable x-lite cool brief liner has premium cooling Technology and moisture management built in Extreme mesh on the side delivers max airflow and ventilation Non-restrictive, semi-split leg design with minimal cling and zero chafe Reflective details provide extra visibility, with an Adjustable drawstring and rear center zippered pocket offers convenient storage