R-Tek ® Pro vests are made for warmth and layering--without adding extra bulk--thanks to stretch side panels. Plus, R-Tek ® Pro resists pilling and incorporates Low Impact Technology for enhanced softness and performance. | 12-ounce, 100% polyester R-Tek ® Pro fleece 88/12 poly/spandex side panels Reverse coil zipper with chin guard Front zippered pockets with zipper garages Elastic binding at armholes and hem