The Osprey Tempest is a women's specific backpack. It's smaller size makes it a great option for day hikes or bike rides. This backpack is available in two size options, the size S/M has a 9L capacity while the size XS/S has a 7L capacity.
The size of this pack is ideal for those who want to keep things light and fast on day trips. , Most backpack manufacturers advertise a pack's volume in liters. In many cases, if there is a number attached to the product name it indicates the volume in liters. The Tempest 9 has a volume of 9 liters for the women's M/L size and 7 liters for the women's S/XS size. At 9 or 7 liters depending on size, the Tempest 9 is a good size for day-hikes. , The Tempest 9 comes in two sizes, and the overall volume is different between the two sizes.
The Extra Small/Small Tempest 9 has a total volume of 7 liters or 427 cubic inches.
The Medium/Large Tempest 9 has a total volume of 9 liters or 549 cubic inches.