Ryker boots by caterpillar the ryker boots by caterpillar are the perfect boots for the season ahead this sneaker boot is engineered using cat ease technology making this boot 15 lighter with 30 more bounce back than standard caterpillar boots these boots are made from full grain leather making them extremely durable ease comfort technology 15 lighter 30 more bounce back than standard full front lace fastening padded ankle collar cushioned insole gripped flex cup