The Nano Daypack from Sea to Summit is an ultra-lightweight, compact backpack designed for mountain activities and travelling.Designed in Ultra-Sil 15 D, the Nano Daypack has a very high resistance! Small but strong! And thanks to its 18 litres capacity, you can fill it with a lot of things! Its asymmetrical zip and the Nylon Nano fabric mean that it can be reduced to a very small size when not being used, as small as a chicken's egg! Only 30 g on the scale and very practical! Bar tacks have been applied to stress points for better wear resistance.The Nano Daypack is the perfect ultra-lightweight backpack for all your excursions!