Avanti iso boot the avanti iso boot are high quality waterproof terrain boots the fishing boots have a thick moulded sole for high grip on muddy banks making these perfect footwear for commercial fisheries with the great british weather in mind the will keep your feet nice and dry whilst walking and carrying your tackle avanti iso boots hook and loop fastening waterproof cushioned ankle collar thinsulate insulation heel pull loop moulded grip pattern blue 9 43