Adams Golf A3OS Hybrid 8 Piece Set (3,4 & 5 Hybrids and 6-PW) Boxer hybrids the easiest to hit hybrids we've ever created Iron like hybrids provide a seamless integration from the boxer hybrids to the short irons Through PW cavity back short irons with a large sweetspot helps deliver accuracy and better feel around the greens. Boxer shaping delivers an ultra high MOI that's 35% to 84% higher than the leading hybrids for more forgiveness and straighter, longer shots