QUICK RELEASE NECK STRAP - Easily use with or without a neck brace. REMOVABLE ARM GUARDS - Shields arms from bushes, rocks, and other debris when on a trail ride or in a motocross race. IMPACT RESISTANT VENTED PANELS - High-impact plastic construction with vented front and back panels for maximum airflow and protection. REMOVABLE SHOULDERS - Removable plastic shoulders allow for more options whether using it under a jersey or improving neck brace mobility. REMOVABLE LYCRA FOAM - Quick-snap removable Lycra foam allows for easy cleaning and even a color change of interior foam panels. ADJUSTABLE ANATOMIC FIT - Anatomically correct design offers comfort, movement and protection. Fully adjustable with aluminum hardware.