<pUnrivaled warmth and performance with the Drylock X2. The Drylock series is the warmest and most comfortable suit in the Xcel range, made for the most extreme conditions. This series offers waterproof construction with unparalleled thermal performance. The Drylock features Celliant Black in the core, Ultra Stretch infrared to maximize performance, and Channel Flex on the outside to provide the highest level of warmth and performance.