The majority of the NFL is migrating towards Sportstar chinstraps and Josh Jacobs is right there with them. He wears the Sportstar Victory T-Rex chinstrap, which is the most popular version. They are proven to be the safest and most comfortable chinstrap available.
You can get a similar Sportstar T-Rex chinstrap at DicksSportingGoods.com for $55 or Sportstar.com for a completely customizable one for $35-$55.