Pyramex Ridgeline Vented Cap Style 4 Pt Ratchet Suspension Hard Hat, Red ABS Imported Vent holes in top of hard hat help keep you cool ABS material provides strong, yet ultra-light protection Low profile design offers a low center of gravity for better balance 4-position harness points allows you to move the harness forward, backward, up or down Easy to grasp triangle knob adjust the suspension from 6.25 to 8 inch hat sizes