The perfect combo of lightweight comfort and cozy warmth, the oversized Jump-Start Jacket truly has it all. The upper is made using a plush Polyester Polar Fleece material and the lower is made using a lightly quilted Poly Woven fabric. On-seam pockets finish off this over, button-up layer. Oversized fit.  Upper: 100% Polyester Polar Fleece Lower: 100% Polyester