This 30-liter rolltop daypack is fully waterproof and features Thermo Cell™ insulation integrated into the harness to prevent hydration tube freezing in cold conditions. It uses the NDM™ 2.1 harness system for a bounce-free fit and includes a removable waist belt, making it adaptable for both high-output activities and casual use. The rolltop design ensures weatherproof storage, while multiple compartments and gear loops keep your essentials organized and accessible.