Quilted jackets have 100 percent quilted cotton canvas outer shells fleece lining on the inside and corduroy collar and trim nanosphere fabrics repel liquids dirt coat oils and stains so these jackets stay clean naturally the nanosphere treatment makes the fabrics highly abrasion resistant making the jackets much more durable dog gone smart technology reduces the spread of bacteria which can cause doggie odor as well as bacterial infections and allergies polyfill insulating material helps ke