Triple seam (stitches) which will never be worn or open the suit. 100% original high quality 1.3mm cowhide leather ce approved armors. Crashes prove (on and off the track). You may use same suit for 4 to 5 crashes. Suit might look bad because of some scratches but will never lose the shape or tear apart. Everything is in suit is 100% a+++++ this suit is 100% for professional bikers. We take care of every single little detail of suit for professional bikers to have nice and smooth race. Ce approved armors.