REACH BOOTS OVER 11 INCHES: Extends your compatible PEET dryer to reach boots taller than 11 inches. Required for drying hip waders (1 pair of extensions) and chest waders (2 pairs of extensions). Compatible with Original, Multi, Advantage, Wader, and Propane PEET dryers. Sold as 1 pair. CHANNELS WARM AIR THE FULL LENGTH: Precision-engineered tube maintains consistent convection airflow from your PEET dryer base all the way through tall footwear. The same silent, energy-efficient drying your dryer provides - just extended to reach tall boots, knee-high boots, and waders. FLEXIBLE CONFIGURATION: Use one set of extensions per side for hip waders; use two sets of extensions per side for full chest wader height. Mix with standard DryPorts on the same dryer base to dry one tall boot and one standard shoe simultaneously. SAFE ON ALL MATERIALS: Compatible with all boot and wader materials including leather, rubber, neoprene, canvas, synthetics, felt soles, and microfiber. Fully removes moisture from the inside of tall footwear to prevent mold and extend gear lifespan. PEET QUALITY CONSTRUCTION: 5-year warranty - register within 10 days of purchase. Sold as 1 pair (2 extensions). Specs per extension: 0.5 lbs | 2.5"L x 7"W x 8.5"H.