switched to the Nike Vapor Cage 4 last season and they've been great. The durability comes from the outsole wrapping up on the sides, which protects the upper from shredding during slides. Good combination of durability without feeling too clunky. The toe drag protection is excellent if you're a server who drags that back foot.

The ASICS Gel Resolution series is an absolute tank on hard courts. I'm a heavy slider and these are the only shoes that last me more than 3 months. The 6-month outsole warranty is legit. I actually got a replacement pair once when I wore through the first ones. They're not the lightest, but for durability, they're unbeatable.