{"niche":"有哪些最耐用的日常背包可供选择？","description":"What are the most durable everyday backpacks available?","products":[{"brand":"Gregory","model":"Zulu 24 LT","price_gbp":128.32,"origin_country":null,"specs":{"weight":"2 lbs. 5.2 oz","capacity":"24 L","material":"40% recycled 400D ripstop polyester and 420D ripstop polyester with DWR","waterproof":"Water repellent","number_of_pockets":"5 + main compartment"},"confidence_score":null,"sources":[{"label":"REI Co-op","url":"https://www.rei.com/product/231829/gregory-zulu-24-lt-pack-mens","currency":"USD","source_country":"US","price":169.95,"price_gbp":128.32,"scraped_at":"2026-06-23T10:46:21.717642"},{"label":"REI Co-op","url":"https://www.rei.com/product/231829/gregory-zulu-24-lt-pack-mens","currency":"USD","source_country":"US","price":169.95,"price_gbp":128.32,"scraped_at":"2026-06-23T10:46:24.576075"}],"summary":"The Gregory Zulu 24 LT is a ventilated daypack with a suspended mesh back panel and a wire perimeter frame for comfort on warm, longer hikes. It has a top access main compartment plus multiple exterior pockets and is compatible with a hydration reservoir. It uses recycled polyester fabrics and a DWR coating that repels light water.","ideal_for":"It's a durable, ventilated 24 L everyday/hiking daypack with a suspended mesh back panel, DWR-treated recycled polyester fabrics, and 5 exterior pockets plus a main compartment for organized daily carry."}]}