{"niche":"哪些公路竞速平底跑鞋为长距离跑步提供最佳缓震？","description":"Which road racing flats offer the best cushioning for long distances?","products":[{"brand":"ASICS","model":"Megablast","price_gbp":165.36,"origin_country":null,"specs":{"drop":"8 mm","weight":"230 g","stack_height":"46 mm heel / 38 mm forefoot","sole_thickness":"3.0 mm","upper_material":"Engineered woven mesh","outsole_material":"ASICSGRIP rubber"},"confidence_score":null,"sources":[{"label":"Fleet Feet","url":"https://www.fleetfeet.com/products/asics-megablast","currency":"USD","source_country":"US","price":225.0,"price_gbp":165.4,"scraped_at":"2026-08-27T16:18:34.721550"},{"label":"Running Warehouse","url":"https://www.runningwarehouse.com/catpage-VIDFL216.html","currency":"USD","source_country":"US","price":224.95,"price_gbp":165.36,"scraped_at":"2026-08-27T16:18:34.721550"},{"label":"ASICS Canada","url":"https://www.asics.com/ca/en-ca/megablast-1013a170-001","currency":"USD","source_country":"US","price":290.0,"price_gbp":213.18,"scraped_at":"2026-08-27T16:18:34.721550"}],"summary":"The ASICS Megablast is a lightweight, high-stack road trainer with full-length FF TURBO SQUARED cushioning, strong bounce, and ASICSGRIP rubber for traction. It suits runners who want a versatile shoe for daily miles, faster workouts, long runs, and non-plated racing.","ideal_for":"其后跟堆叠高度为 46 mm，前掌堆叠高度为 38 mm，落差为 8 mm，重量为 230 g，并搭载高缓震 FF TURBO SQUARED 中底，因此非常适合重视舒适性和缓震性的长距离公路比赛。"}]}