Garvin is an athletic slasher who thrives around the rim and puts constant pressure on defenses with his ability to attack the basket. He has a solid foundation and uses his strength and physicality to his advantage against smaller opponents. Garvin is effective running the floor in transition, where he routinely creates and finishes scoring opportunities. Defensively, he is an active and disruptive presence, excelling as a trapper and turning defense into offense with steals and deflections. He also moves the ball well and plays with an unselfish mindset, consistently looking to make the right play and create opportunities for his teammates.