Schutt XV Flex QB/WR Shoulder Pad Ideal for Quarterback and Wide Receiver The QB/WR pad offers an attached back plate and smaller arch cut to reduce the plastic that gets in the way. The arch cut gives you maximum range of motion and versatility. The XV Flex has a cutaway arch design that allows complete freedom of movement and range of arm motion. Contoured plastic sub reinforces the arch for added strength while still maintaining a low profile.