It appears there is no hydrolysis based on the appearance. Please understand that this item was purchased about 10 years ago before purchasing. Lace-less design sneakers using suede and synthetic fibers. The original was released in 1995. Based on ergonomics, the shoelaces were placed on the upper side to prevent the blood vessels on the instep from being compressed, creating a comfortable fit without putting stress on the foot. This masterpiece shoe is designed for comfort. This model differs from the original in material specifications, with synthetic leather on the toe and suede on the rest of the upper. - Brand: Nike Footscape - Color: Gray/Navy/Pink - Style: Air Footscape - Material: Suede/Synthetic Fiber - Features: Lace-less design Thank you for viewing. Main color: Gray Stains, tears, odors, etc.: None