With R-Tek Pro, we've taken soft, brushed fleece and added stretch side and sleeve panels for easy movement and a sleeker look. Produced using Low Impact Technology (L.I.T. ) which uses less dyestuffs, thermal energy and water for enhanced softness, performance and after-care quality.; 7.1-ounce, 100% polyester R-Tek Pro fleece; 88/12 poly/spandex side panels; Reverse coil zipper with chin guard; Zippered chest pocket; Front zippered pockets with zipper garages; Stretch binding at hem