You set the limits, Restube Extreme is built to follow. From brutal conditions to high-intensity water sports, it&';s designed to stay with you when it counts, giving you the confidence to push farther with dependable safety always within reach. Restube Extreme includes all the core features of the Restube Safety System: Versatile performance across demanding water activities Compact, durable design that&';s always ready when you need it Optional manual inflation through the mouth valve Fully reusable for long-term, rugged use Trusted pull-to-inflate release mechanism Built for the Toughest Conditions Engineered for serious athletes and extreme environments, Restube Extreme adds reinforced features for maximum reliability: Reinforced, extra-robust buoy and pouch materials for durability in extreme conditions Secure split-pin safety closure to prevent accidental inflation during high-impact movement Multiple attachment options-mounts directly to your harness, or vertically/horizontally for a customized setup Integrated whistle for clear emergency signaling Small internal pocket for storing essentials Compatible with all RESTUBE READY products for seamless gear integration