Having these boots on is key to endurance. The sandals are not very comfortable. WaterproofCons-I wish they had more color options, but other than that, none so far. These give me the toe room (I use toes spacers) and sole flexibility without the heavy, unhealthy support that conventional shoes often have. She said its very comfortable to wear even for hours and the sound quality is quite good, not just for her home schooling, also for music she likes. I am just going to buy the keens instead ! As others have found, the outlet on your saw or inlet on the dust collector is the same size as the larger side of the cone, so you cannot connect this directly to your machine. Other than that, wow. I gave ABKONCORE a try because Ive bought an ABKONCORE case that was a good build quality. I recommend it highly!