The Ultra-Sil Day Pack from Sea to Summit is a minimalist, extremely lightweight, and compact daypack. Thanks to its small packed size in the included mini stuff sack, you can carry it on your keychain or simply in your handbag or jacket pocket. This way, you'll always have an emergency backpack on hand. The durable, robust, and water-resistant material is made from coated Cordura fabric, which is known for its longevity and resilience. With a volume of twenty liters, it provides ample storage space for your day trips. In short, the Ultra-Sil Day Pack is practical, lightweight, eco-friendly, and conscious – the perfect companion that can withstand a lot.