Georgia Athens Men's 8" Steel Toe Waterproof Wellington Work Boot-G4603 Leather Rubber sole Shaft measures approximately 8" from arch EVA midsole - Comfort.Rubber outsole with EVA midsole.ASTM F2413-05 Steel Toe/EH classificaiton Soft waterproof Suede leather.Georgia Waterproof System. TPU shank - provides solid stable work platform with arch support.AMP, Advanced Memory Polyurethane footbed Anchor Disk by Georgia - provides added heel support.Combined cement and stitchout construction The AMP (Advanced Memory Polyurethane) footbed will adjust and conform to the exact shape of your feet-More comfort,cushion