The other half was just cheaply manufactured parts. The only criticism I have is that the back of the shoe collapses sometimes. Probably wouldnt buy again though. Maybe I got the wrong information card with my pair. 08, NRR: 23 db) - Gloryfire Model M8056T ($26. 5 US women?s and they were too snug. Great quality, fast delivery Product is great and operates as intended. The run time is excellent Instead of throwing stuff away.