BRIAN'S OPT1K Goal Blocker feature the BOA System to replace traditional back hand strapping. The BOA system allows the user to dial in a custom fit ensuring a secure, comfortable, and consistent feel. Smart Strap Adjustment system features adjustable finger attachments for improved tension and a custom fit. Padding Protection system is re-designed index finger protection around the finger tip. Removable foam pillow provides increased comfort & thumb protection.