Designed, cut and sewn by hand stay 40% cooler with Cool Wick. Our Rhino Page Big Bowling Volcano Replica Cool Wick Bowling Jerseys are made of two different fabrics with the back being our Cool Wick technology fabric that helps wick moisture away and helps air flow more easily through the fibers. We use the latest technology to make sure your Cool Wick Tshirt designs will never peel or fade.