You can't climb on marble, you slip. On wood with dust, you slip even more. For the nails it claims to go through, it goes the opposite way if it enters at all. Bad, in simple words. Money wasted.

Well, the shoe is the lightest and most comfortable I have ever bought! It feels like a sports shoe, but you also have the protection of an S3 shoe, in a very elegant design. It's an 8-hour wear without any discomfort or unpleasant odors! The size is exactly what you wear in sports shoes, and there is no complaint about the quality.