Product Details: Brand: KoKossi Name: Cycling and running backpack Color : Gray with dark blue, light gray with orange, light gray with light blue, light green, royal blue, dark gray with orange, black with white, black with blue, black with fluorescent color, black with yellow Capacity : 5 L Application:running , trekking , jogging, hiking , cycling , camping , skiing, fishing, etc . Matching : backpack can be used together with 1.5L water bag Feature : Ultralight (about 150g ), Water repellent , Breathable , Tear resistance ,Wearable. Multiple loading systems meet your kinds of needs . Kind reminder : In this product link , there are different combination on the products . Please choose the right product option according to your needs.