The Sea to Summit Ultra-Sil Nano Travel Day Pack is a summiting daypack that can be compressed to the size of an egg and tucked into a multiday pack for peak-bagging on longer trips. Half the weight and pack size of the award-winning Ultra-Sil™ Daypack, it’s easily stashed in your pocket or on your keyring as the perfect travel companion. Ultralight 15D Nylon fabric, strategically positioned bar-tacks and streamlined panelling ensures maximum strength for minimal weight. The asymmetrical zipper and siliconised Nylon Nano™ fabric helps to reduce its packed size down to that of a chicken egg. With strength well beyond its 30g weight, our 18L Ultra-Sil™ Nano™ Daypack can carry heavy loads up to 20kg. Key Features: Ultralight 15D high strength Nylon fabric, Exceptionally compact packable design, Siliconised Nylon fabric for easy packing and water resistance, Asymmetrical zipper design for tiny packed size, Bar-tacks at stress points for added strength, Exceptionally compact - the size of an egg, Weighs just 30g, can carry up to 20kg. Product Details: Series: Sea to Summit : Ultra-Sil Nano Dry Sack, Sea to Summit : Ultra-Sil Series, Primary Material: Ultralight 15D Nylon, Size in Litres: 18L, Weight Kg: 30 grams, Length: 43 cm, Width: 20 cm.