对于预算有限的买家，有哪些价格实惠的徒步背包可供选择？

The REI Co-op Flash 55 is a lightweight 55-liter backpacking pack with an adjustable torso, internal frame, roll-top lid, ventilated back panel, and customizable Packmod pockets. It suits beginner to intermediate backpackers carrying loads up to 35 lbs on weekend trips or extended treks.

The Trailmade 60 is a 60-liter internal-frame backpacking pack with recycled nylon construction, an adjustable torso, hydration-reservoir sleeve, and separate sleeping bag compartment. Its straightforward design and moderate weight make it suitable for beginners and weekend backpackers who want practical carrying capacity without premium-pack pricing.

The women's REI Co-op Trailmade 60 Pack is a 60-liter internal-frame backpack with six exterior pockets, hydration-reservoir compatibility, and an adjustable torso. Its inclusive fit and women-specific harness suit beginner backpackers and hikers carrying moderate loads.

The Osprey Rook 65 is a 65-liter backpacking pack with an adjustable torso, ventilated AirSpeed backpanel, internal hydration sleeve, and removable raincover. Its durable recycled polyester construction and straightforward organization suit beginner and intermediate backpackers carrying gear for extended overnights or multi-day trips.

The Gregory Miko 25 is a 25 L men's day-hiking pack weighing 2.12 lbs, with a breathable backpanel, BioSync suspension, and five external pockets. Its adjustable torso, hydration compatibility, and comfortable carry system suit longer hikes, fast hiking, and full-day adventures.

The Osprey Kestrel 58 is a durable men's backpacking pack with 56 L or 58 L capacity, adjustable torso lengths, hydration compatibility, and a supportive internal frame. Its recycled nylon construction, raincover, sleeping bag compartment, and multiple pockets suit multi-day hikes and heavy gear loads.