| RefrigiWear Heavyweight Insulated Blanket #HIB46-HIB1012 | Navy | Ragg Wool/Polyester/Nylon | 4 X 6. RefrigiWear Heavy duty 420 Denier Nylon, rugged, abrasion, stain/mildew and water-resistant outer shell, 11.25 oz high loft polyester fiberfill insulation, double needle stitching. RefrigiWear Heavyweight Insulated Blanket #HIB46-HIB1012 | Navy | Ragg Wool/Polyester/Nylon | 4 X 6... - RefrigiWear Heavyweight Insulated Blanket #HIB46-HIB1012 | Navy | Ragg Wool/Polyester/Nylon | 4 X 6. |