The Osprey Tempest 9L backpack has a maximum capacity of 10 liters so it is an excellent option for hiking or biking activities for one day when you need to carry some necessary items such as hydration, a waterproof, or warm jacket, and snacks. It is designed for the female body so it adapts comfortably and with ergonomics. This mountain backpack has been made with recycled nylon, which guarantees excellent resistance to wear and elasticity, and a waterproof treatment without PFC. The AirScape back with EVA foam favors breathability and keeps stable even in high-motion circumstances. It features a main compartment with zipper, elastic Bungee straps on the front and sides to hold poles or piolets, Lidlock hook for the helmet, internal key ring, sternum strap with emergency whistle, and padded shoulder straps, whose characteristics will become this trekking backpack your favorite for outdoor adventures. The Tempest 20 is the perfect front-loading backpack with a women´s specific design to suit a day´s hiking, biking, or summit hunting. It features a continuous, body-hugging hipbelt and shoulder straps, and an injection-molded AirScape ™ backrest that accompanies your movements on the trail. Attachments for trekking poles, ice ax, bike helmet or light make this lightweight backpack one of the most versatile technical options. Made from high-quality, heavy-duty recycled nylon that is bluesign® certified.