DetailsIndispensable backcountry first aid gear. Just mold it to shape, wrap or strap it into place, and you're done. Transparent to X-rays. Firm and extra-firm ends allow different levels of resistance to motion, according to needs. Allows exercise without splint removal. Washable, reusable, waterproof, lightweight and compact. Can be rolled or folded for easy storage. Not affected by extreme temperatures.