Lightweight and the best feature yet, no traditional belt "holes" to contend with (whether it's wearing the one hole down from overuse or just due to the too-tight or too-loose phenomenon). Material seems to be durable, it hasn't shown any wear and tear yet (still under a year). The lock mechanism is what makes it so good but IMO presents a bit of an issue, hence a 4 star as opposed to a 5 star. It's not very easy to remove the belt because of the angle you have to have the buckle on for release. Regardless, it is still a great belt and I consider to be superior over conventional belts. I don't think i'll ever go back to conventional belts in the long run except for formal wear - i don't consider any of the current Grip6 belts appropriate for those events (just my opinion).