he XP Walker has a lightweight, trimmable, semi-rigid shell that helps support the limb while providing full-shell protection. Lining the shell are overlapping Duplex™ aircells during intermittent pneumatic compression for edema reduction and callus formation. These aircells can be custom inflated for a "total contact"fit. Includes two socks and a hand-bulb. Can be used with Brace-Lok™ system.