Zach Wilson is wearing a Sportstar Victory T-Rex Hurricane Chinstrap. These chinstraps are hands-down, the best in the game. They are proven to protect you and absorb more impact than any of the competitors. They use a medical grade foam to keep you comfortable and they look amazing on any helmet. Zach Wilson is wearing an all-white version which is what nearly every NFL player does.
You can completely customize your own Sportstar chinstrap on DicksSportingGoods.com for $30 or get the exact one Zach Wilson wears (Victory Hurricane) at Sportstargear.com for $35.