Backpack SEA TO SUMMIT Ultra-Sil ATC012021 20L — ultralight packable daypack

SEA TO SUMMIT Ultra-Sil ATC012021 20L — ultralight packable daypack designed for minimalist outdoor use, travel and everyday carry. The pack provides approximately 20 liters of storage in a highly compressible, ripstop fabric that folds into a small pouch for convenient stowage. Its low weight and compactness make it suitable as an emergency or secondary pack for carrying essentials such as a light jacket, water bottle, snacks and small gear on day hikes, city excursions or while travelling.

Advantages

The construction uses a lightweight, water-resistant ripstop material that balances durability with minimal mass. The bag packs down to a very small volume for easy inclusion in larger luggage or main backpacks. Simple single-compartment design with a secure drawcord closure reduces weight and simplifies access to contents. The neutral shape and low profile allow comfortable carrying when lightly loaded and fast deployment when additional capacity is required.

Suitable for

• Day hikes and short trail walks
• Travel as an extra or city-use daypack
• Emergency or spare pack for multi-day trips
• Commuting when carrying minimal items

Key specifications

• Capacity: 20 liters
• Material: ultralight ripstop fabric with water-resistant treatment
• Weight: ultralight construction intended for minimal carry burden
• Closure: drawcord top closure
• Packability: folds into a compact pouch for storage
• Carry system: simple shoulder straps suitable for light loads

How to use

Open the pack by loosening the drawcord and fill the single main compartment with essentials such as layers, food, a water bottle and small accessories. Close the top securely with the drawcord to protect contents from light rain and to stabilise the load. Adjust the shoulder straps for a comfortable fit; the pack is intended for light loads only, so distribute weight evenly and avoid overpacking. When not in use, fold the pack into its integrated pouch or roll it tightly to save space in luggage.

Recommendations

Use the Ultra-Sil 20L as a secondary or emergency pack and avoid carrying heavy or sharp objects that could damage the ultralight fabric. For extended wet-weather exposure, combine with a dedicated waterproof cover or store sensitive items in dry bags. Regularly inspect seams and fabric for wear, especially after contact with abrasive surfaces.