Dryf21

likely refers to Quiksilver's DryFlight 21 (or DRYF21) technology, a high-performance fabric used in outdoor and winter sports gear. It is designed to keep athletes dry and comfortable by balancing waterproof protection with high breathability. Key Features of DryFlight 21

Allows moisture and sweat to escape quickly, preventing that "clammy" feeling during intense physical activity like snowboarding or skiing. DRYF21

Provides a high level of protection (often rated at 20,000mm/20k) to block heavy rain and wet snow. likely refers to Quiksilver's DryFlight 21 (or DRYF21)

Found in rainwear and technical shells for hiking or mountaineering in unpredictable weather. DRYF21