{"niche":"...","description":"What are the lightest weight hydration packs on the market?","products":[{"brand":"HydraPak","model":"HydraPak Velocity 1.5 L Hydration Reservoir","price_gbp":28.78,"origin_country":null,"specs":{"weight":"125","capacity":"1.5","tube_length":"36","reservoir_size":"1.5","bladder_material":"TPU; ABS; POM; PP; EPDM; Silicone; 304SS; TPU Coated Nylon Fabric"},"confidence_score":null,"sources":[{"label":"HydraPak","url":"https://www.hydrapak.com/products/velocity%E2%84%A2-1-5l","currency":"USD","source_country":"US","price":38.0,"price_gbp":28.78,"scraped_at":"2026-06-25T01:17:09.488157"},{"label":"REI Co-op","url":"https://www.rei.com/product/C04316/hydrapak-velocity-15-l-hydration-reservoir","currency":"USD","source_country":"US","price":38.0,"price_gbp":28.78,"scraped_at":"2026-06-25T01:17:09.488157"},{"label":"CleverHiker (price listed for the product)","url":"https://www.cleverhiker.com/hiking/best-hydration-bladders/","currency":"USD","source_country":"US","price":38.0,"price_gbp":28.78,"scraped_at":"2026-06-25T01:17:09.488157"}],"summary":"The HydraPak Velocity 1.5L is HydraPak's lightest reservoir series, built with ultralight minimalist materials and a wide Slide-Seal opening for quick refills and easy ice adding. It uses the Comet bite valve and a Plug-N-Play connector to separate the tube from the reservoir for filling and cleaning. It's suited for low-profile hydration needs like running, hiking, and bike rides where keeping weight down matters.","ideal_for":"For the lightest hydration pack category, this reservoir weighs 125 g for a 1.5 L capacity and includes a 36 in non-kinking tube, making it a low-mass way to carry water with a compact 1.5 L volume."},{"brand":"HydraPak","model":"HydraPak HydraSleeve Reservoir - 3 Liters","price_gbp":52.97,"origin_country":null,"specs":{"weight":"308","capacity":"3","reservoir_size":"3","bladder_material":"Nylon, EVA, TPU, PP/POM, ABS, Silicone"},"confidence_score":null,"sources":[{"label":"REI Co-op","url":"https://www.rei.com/product/219759/hydrapak-hydrasleeve-reservoir-3-liters","currency":"USD","source_country":"US","price":70.0,"price_gbp":53.01,"scraped_at":"2026-06-25T01:17:09.488157"},{"label":"HydraPak (direct)","url":"https://www.hydrapak.com/products/hydrasleeve-reservoir","currency":"USD","source_country":"US","price":70.0,"price_gbp":53.01,"scraped_at":"2026-06-25T01:17:09.488157"},{"label":"Coaxsher","url":"https://www.coaxsher.com/product-p/as524.htm","currency":"USD","source_country":"US","price":69.95,"price_gbp":52.97,"scraped_at":"2026-06-25T01:17:09.488157"}],"summary":"This is an insulated 3-liter HydraPak hydration reservoir designed to keep water cooler for longer while you move. It uses an insulated HydraFusion drink tube with a high-flow Comet valve and includes a roll-top style closure with lash points for securing it to gear. Best suited for outings where you want an insulated reservoir rather than a bare, non-insulated bladder.","ideal_for":"It's specifically a 3-liter insulated HydraSleeve reservoir that weighs 308 g, making it a practical option when you want longer-lasting water temperature without switching to a larger, heavier system."},{"brand":"Gregory","model":"Gregory SWIFT 16 H20","price_gbp":75.69,"origin_country":null,"specs":{"volume":"16","weight":"531","capacity":"2","pocket_count":"3","reservoir_size":"2"},"confidence_score":null,"sources":[{"label":"Gregory","url":"https://www.gregory.com/packs/hydration/swift-16-h2o/141344XXXX.html","currency":"USD","source_country":"US","price":119.95,"price_gbp":90.84,"scraped_at":"2026-06-25T01:17:37.983810"},{"label":"REI","url":"https://www.rei.com/product/203246/gregory-swift-16-h2o-hydration-pack-womens","currency":"USD","source_country":"US","price":119.95,"price_gbp":90.84,"scraped_at":"2026-06-25T01:17:37.983810"},{"label":"Campmor","url":"https://www.campmor.com/products/gregory-swift-16-h2o-hydration-pack","currency":"USD","source_country":"US","price":99.95,"price_gbp":75.69,"scraped_at":"2026-06-25T01:17:37.983810"},{"label":"Gregory","url":"https://www.gregory.com/packs/hydration/swift-16-h2o/141344XXXX.html","currency":"USD","source_country":"US","price":119.95,"price_gbp":90.84,"scraped_at":"2026-06-25T01:17:40.423028"},{"label":"REI","url":"https://www.rei.com/product/203246/gregory-swift-16-h2o-hydration-pack-womens","currency":"USD","source_country":"US","price":119.95,"price_gbp":90.84,"scraped_at":"2026-06-25T01:17:40.423028"},{"label":"Campmor","url":"https://www.campmor.com/products/gregory-swift-16-h2o-hydration-pack","currency":"USD","source_country":"US","price":99.95,"price_gbp":75.69,"scraped_at":"2026-06-25T01:17:40.423028"}],"summary":"The Gregory Swift 16 H2O is a lightweight 16L day-hiking hydration pack designed for short, minimal-gear outings. It includes a 2L Hydro reservoir and has organized pocketing (3 external pockets) plus an integrated hydration compartment with a one-handed SpeedClip-style connection. It's suited for people who want a compact pack with easy water access while moving.","ideal_for":"最轻量的补水背包中，它的重量为 531 g、容积为 16L，在仍然配备内置 2L 水袋的前提下，是一种非常低质量的选择。"},{"brand":"CamelBak","model":"Ultra Pro (List Price $120)","price_gbp":null,"origin_country":null,"specs":{"volume":"6","weight":"150","capacity":"1.5","pocket_count":"13","reservoir_size":"1.5"},"confidence_score":null,"sources":[{"label":"CamelBak","url":"https://www.camelbak.com/products/ultra-pro-vest","currency":"USD","source_country":"US","price":null,"price_gbp":null,"scraped_at":"2026-06-25T01:17:09.488157"}],"summary":"The CamelBak Ultra Pro is a lightweight running hydration vest with a 6L carrying capacity and compatibility for a 1.5L hydration bladder. It includes two 500ml Quick Stow soft flasks and uses a 3D Micro Mesh interior for breathability. It also has 13 pockets for carrying essentials while running.","ideal_for":"它在仍能支持 1.5L 水容量和 6L 总容量的情况下，重量异常轻（150 g），因此是跑者中最轻量化的补水背包之一的强力之选。"},{"brand":"Nathan","model":"Crossover 5 Liter Hydration Pack","price_gbp":53.96,"origin_country":null,"specs":{"volume":"5","weight":"411","capacity":"1.5","pocket_count":"5","reservoir_size":"1.5"},"confidence_score":null,"sources":[{"label":"Commonwealth Running Co.","url":"https://commonwealthrunning.com/products/nathan-crossover-pack-5l-unisex","currency":"USD","source_country":"US","price":71.25,"price_gbp":53.96,"scraped_at":"2026-06-25T01:17:09.488157"},{"label":"ENDURUNCE SHOP","url":"https://www.endurunceshop.com/products/crossover-5-liter-hydration-pack","currency":"USD","source_country":"US","price":80.0,"price_gbp":60.58,"scraped_at":"2026-06-25T01:17:09.488157"},{"label":"DICK'S Sporting Goods","url":"https://www.dickssportinggoods.com/p/nathan-crossover-5-liter-hydration-pack-22nthucrssvrpck5lgaf/22nthucrssvrpck5lgaf","currency":"USD","source_country":"US","price":80.0,"price_gbp":60.58,"scraped_at":"2026-06-25T01:17:09.488157"}],"summary":"The Nathan Crossover 5 Liter Hydration Pack is a lightweight, bounce-free hydration pack designed for running and multipurpose outdoor use. It includes a 1.5L bladder with a magnetic hose clip and a large main zippered pocket plus multiple accessible pockets for gear.","ideal_for":"..."}]}