Ricosta boys school shoe Jack is a classically smart design with a deep, soft, padded heel. Jack is manufactured using high quality leathers that are ecologically and environmentally friendly, free from hazardous preservatives and are chrome vi free. Insoles are breathable, removable and washable at 30 degrees. The chunky pu sole is injected directly to the upper ensuring a permanent join and consists of 50 percent air making the shoe especially light, flexible and shock-absorbing. Suitable for use with orthotics.