Add extensions to your PEET dryer to safely dry taller boots, hip boots and even chest waders, Attaches easily to the AirChambers on most PEET models, Ideal for all types of materials including leather, PVC, rubber, neoprene, canvas, synthetics, cloth, fleece, felt, micro and all modern fabrics, Two pair of extensions needed to dry chest waders, Always use extensions with PEET DryPorts