Hush Puppies Gus Mens Lace Up Casual Shoes. Get from point A to point B with durability and sporty good looks in the Hush Puppies Gus casual shoe. The soft leather uppers have a padded tongue and heel collar for that cradled feel. Luxuriously soft garment leather with padded nylon lining. The flexible Strobel construction, moves where your foot flexes, for ultimate mobility. Removable, contoured EVA footbed with an open cell mesh cover provides additional cushioning. Zero G system reduces weight by removing bulky innersoles and using a special Comfort Curve Technology outsole that's four times lighter than the average shoe.