The Stormtech Aeronaut Backpack 25 combines professional organisation with advanced weather protection and security features. Constructed from waterproof fabric with polyester taffeta lining enhanced by Polygiene® freshness technology, this pack maintains hygiene and odour resistance through extended use. The expandable 25-35 litre capacity adapts to varying load requirements, from daily commutes to weekend trips. The ergonomic design prioritises comfort and functionality: padded adjustable shoulder straps distribute weight evenly, whilst the padded airflow back panel prevents moisture buildup and enhances ventilation during active use. Reinforced grab handles on the top and sides provide multiple carry options and durability at high-stress points. The adjustable sternum strap stabilises the pack and reduces shoulder strain during extended wear. Intelligent compartmentalisation includes a large main zip compartment with waterproof two-way zip for secure access, a dedicated laptop/tablet compartment compatible up to 16 inches, and a water bottle zip pocket for convenient hydration access. A large zip accessories pocket accommodates smaller items, whilst an internal mesh zip pocket and key clip provide organised storage for essentials. RFID blocking technology protects sensitive card and document information from unauthorised scanning. Rolling luggage compatibility enables seamless integration with travel systems, whilst the stowable shoulder straps allow hands-free transport when needed. Perfect for professionals, students, and travellers requiring reliable weather protection, security features, and organised storage in a versatile daily pack.