Specifically designed for GSC umpires. Finally, a heavier weight umpire jacket to truly keep you warm in colder conditions without the heavyweight feel. Same style jacket as worn by the MLB umpires. 100% Woven Polyester technical soft shell exterior. Bonded Thermal fleece interior for comfort. Windproof and water resistance provides convenience in a range of weather conditions. Four-way stretch for maximum comfort. Black with white/powder stripes. Sized to accommodate chest protector underneath. Size down for base.