{"niche":"哪些竞速平底跑鞋为长距离比赛提供最佳缓震？","description":"Which racing flats offer the best cushioning for long races?","products":[{"brand":"ASICS","model":"Metaspeed Edge Tokyo","price_gbp":198.44,"origin_country":null,"specs":{"drop":"5 mm","weight":"6 oz","stack_height":"34.5-39.5 mm","upper_material":"Technical engineered woven material"},"confidence_score":null,"sources":[{"label":"ASICS","url":"https://www.asics.com/us/en-us/metaspeed-edge-tokyo/p/ANA_1013A163-600.html","currency":"USD","source_country":"US","price":270.0,"price_gbp":198.48,"scraped_at":"2026-08-27T13:56:26.781584"},{"label":"Fleet Feet","url":"https://www.fleetfeet.com/products/asics-metaspeed-edge-tokyo","currency":"USD","source_country":"US","price":270.0,"price_gbp":198.48,"scraped_at":"2026-08-27T13:56:26.781584"},{"label":"Running Warehouse","url":"https://www.runningwarehouse.com/ASICS_METASPEED_Edge_Tokyo/descpage-AMSETU0.html","currency":"USD","source_country":"US","price":269.95,"price_gbp":198.44,"scraped_at":"2026-08-27T13:56:26.781584"}],"summary":"The ASICS Metaspeed Edge Tokyo is a lightweight carbon-plated road racing shoe with FF LEAP and FF TURBO PLUS cushioning, a 5 mm drop, and a 34.5-39.5 mm stack. Its forward-angled carbon plate and MOTION WRAP 3.0 upper make it best suited to competitive cadence-style runners racing distances from 5K through the marathon.","ideal_for":"凭借 34.5-39.5 mm 的高中底高度和柔软、富有弹性的 FF LEAP 泡棉，它能够满足长距离比赛的缓震需求；FF TURBO PLUS 层则为马拉松距离比赛带来能量回馈和稳定性。"},{"brand":"PUMA","model":"Fast-R Nitro Elite 3","price_gbp":183.77,"origin_country":null,"specs":{"drop":"8","weight":"6.0","stack_height":"40 heel, 32 forefoot","spike_pattern":"Fully decoupled outsole with central void and full rubber forefoot coverage","sole_stiffness":"23.1N","upper_material":"ULTRAWEAVE engineered mesh"},"confidence_score":null,"sources":[{"label":"Running Warehouse","url":"https://www.runningwarehouse.com/catpage-PFREPP.html","currency":"USD","source_country":"US","price":299.95,"price_gbp":220.5,"scraped_at":"2026-08-27T13:56:26.781584"},{"label":"LocoTri","url":"https://locotri.com/products/mens-fast-r-nitro-elite-3","currency":"USD","source_country":"US","price":249.99,"price_gbp":183.77,"scraped_at":"2026-08-27T13:56:26.781584"},{"label":"PUMA","url":"https://eu.puma.com/si/en/pd/fast-r-nitro-elite-3-running-shoes-men/312060","currency":"USD","source_country":"US","price":300.0,"price_gbp":220.53,"scraped_at":"2026-08-27T13:56:26.781584"}],"summary":"The PUMA Fast-R Nitro Elite 3 is a lightweight carbon-plated racing shoe with NITROFOAM Elite cushioning, an extended PWRPLATE, and an aggressive, highly propulsive geometry. It suits experienced runners targeting fast half marathons and marathons, especially midfoot and forefoot strikers who can handle its high stiffness and limited stability.","ideal_for":"40mm 后跟和 32mm 前掌的堆叠高度、NITROFOAM Elite 缓震泡棉以及轻量化的 6.0oz 鞋身，为长距离比赛提供充足的保护和能量回馈；碳纤维 PWRPLATE 则有助于保持高效的向前推进。"}]}