., Isotex waterproof footwear - seam sealed with internal membrane bootee liner. PU nubuck and breathable mesh upper., Hydropel water resistant technology. Deep padded collar and tongue., Rubberised toe and heel bumpers. EVA comfort footbed., Stabilising shank technology - (sizes 13 (Euro 32 ) only). Lightweight TPR outsole - hardwearing slip resistant durable outsole.,