The Ruffwear Climate Changer is a versatile and cosy fleece jacket that is ideal for keeping dogs warm on crisp, cool days. Recycled polyester fleece provides quick-drying warmth for everyday adventures. This fleece jacket can be worn alone, or layered underneath other Ruffwear coats for additional warmth. Our “Sleeved” style jacket provides full coverage for maximum warmth. A convenient zipper on the left side of the jacket allows for a high-performance fit.