Flexsoles Cruiser Men's Slip-On Air Mesh Laceless Boat Shoe mesh Stretchable elastic bands on each side of the top of the foot for a comfortable, secure fit and easy slip on and off design. Supremely Cushioned Removable Insole is moisture absorbent and hand-washable to promote hygienic environment. Air Mesh cooling vents fabric promotes circulation and ensures that feet remain dry and less prone to painful friction. The inside surface of the shoe is lined with material and padded for Comfort Around the Foot and tongue. Orthotic Friendly Design features removable footbed to accommodate arch supports and orthotic insoles.