It depends, they're relatively thin (the shin guards) compared to Windy, Twin, and Fairtex. All those are hook and loop shin guards that have an exceptional amount of padding. But if you have any urge to do MMA sparring, or Kickboxing along with TDs, etc you want the thinner ones that secure closely.
The Combat Sports and Everlast MMA shin guards work well for kickboxing along with grappling. Remember, shin guards really aren't doing your partners much of a favor, they're just protecting your foot from elbow, and shin to shin contact.