According to Lacrosse Gear Review, the product features no excessive bulk or lips at the back. Lacrosse Gear Review currently rated the STX Proton Power Lacrosse Head 4/5 rating, with user ratings falling in at 3.7/5. According to Lacrosse Gear Review, the STX features a smooth back side which gives players a wide enough angle to approach the ball at. They also mention that the STX powers through it's predescessor model and has a slight period of adjustment. Lacrosse Gear Review then go onto say that the tip of the Proton Power has a good balance between being accurate and friendly. They mention that it's forgiving in nature and is overall a great product.
To read the full review from Lacrosse Gear Review on the STX Proton Power Lacrosse Head, head over to: http://www.lacrossegearreview.com/