Strobel Construction. Premium Full Grain Leather or Genuine Nubuck Uppers with Breathable Dri-Lex Hydrofil Mesh Panels. Padded Tongue. Breathable Brushed Fabric Lining. Nylon Woven Functional Lacing System with Metal Tips. Corrosive-resistant Sebago Eyelets. Removable Imprint Memory Foam with Poliyou Foam. Cushion Sock Insert covered in Breathable Brushed Fabric. Three-quarter Length Nylon Insole. Steel Arch Shank. Full Length EVA Cushion. EVA Heel Cushion. Sebago Straits Sole with Slip-resistant, Non-marking, Siped Rubber.