RockGuards Arm Sleeve RockGuard Arm Protection sleeves are designed to protect athletes arms during army crawls, trail running, mountain biking, rope climbing, obstacle course racing and any other sport that exposes the arms to minor injuries Made from Durable Lycra, RockGuard Arm sleeves are available in three sizes, ensuring a comfortable fit, and feature branded silicone beads to keep them securely in place Purpose Built - Lightweight Lycra is quick drying for streamlined abrasion protection during physical activity, from scuffs, scrapes and the sun Seamless Design - SGS Pockets keep the pads in place without Reducing Mobility Built for OCR - RockGuard Arm is our first made for Obstacle Course Racing product, and were proud of that. All Weather - The lightweight material keeps arms out of the sun during hot seasons and provides an extra layer in the colder months