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Amazon.com | GIEESHIELD Rubber Boots for Men and Women All-Season, Ultra-Light Waterproof Rain Boots with Steel Shank, 6mm Neoprene Durable Rubber Outdoor Muck Mud Boots. | Rain
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Amazon.com: TIDEWE Rubber Work Boot for Men with Steel Shank, Waterproof Anti Slip Hunting Boot, Warm 6mm Neoprene Hunting Mud Boot, Durable Black Rubber Boot for Farming, Gardening, Fishing, Size 5-14 :
Environmentally Friendly Sneakerboot Shanks and Their Effect on Aerobic Performance and Human Walking Gait
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