Dakine Backpacks - Dakine Aesmo Trek Ii 26l - Aesmo :: Men > Backpacks. Adjustable sternum straps Material: 100% polyester Breathable lightly padded shoulder straps Easy side access Volume: 26 L Dimensions: 51 x 30 x 18cm (20 x 12 x 7\\ ) Woven Dakine labeling to front Mesh side pockets perfect for water bottles Magnetic buckle fastening Dakine backpack Interior mesh pocket