The Mason Casual boot from Caterpillar. The Mason Chukka Boot features soft Nubuck leather uppers, oil-resistant outsole and slip-resistant sole. Mason is constructed in reliable the quality of the durability that makes Cat footwear famous. Only premium quality leathers and hi-tech comfort systems are employed. Outer soles are tough and hardwearing. All this makes Caterpillar Mason a really sturdy pair of comfortable boots. Get a pair of these Mason Nubuck Chukka Boots from Caterpillar.