NīNEpointNīNE | Li-Ning Feidian 6 Ultra -Grey

The Feidian 6 Ultra is built around a four-layer performance stack engineered for race-day speed. At its core, the Super Boom Capsule midsole delivers ultra-fast response with an energy return rate of up to 95% and a reaction time as low as 3ms. A T1000 full-length ballistic carbon fiber plate — running a dual-arch structure — stiffens the forefoot and drives explosive propulsion with every stride. The Dual-Stage Assist Curves geometry accelerates both heel-strike and toe-off, keeping momentum continuous throughout the gait cycle. Underfoot, the next-generation GCU Ground Control Unit features a net-structure thin outsole with multi-angle interlocking grip, engineered for traction, durability, and confident footing across varied surfaces. Four-layer midsole power system: Super Boom foam upper layer, Super Boom Capsule mid-layer, Li-Ning Jiang Carbon-fiver plate, dual-stage assist curves lower layer. Li-Ning Boom Fiber upper with 35% improved breathability vs. traditional mono-yarn. Super Boom Capsule with 3ms response time and 95% energy return rate. Biomimetic wing-shaped fiberglass support plate for torsional resistance and arch stability. Support plate with widened forefoot-to-heel design for balanced, stable landing. Full FOS Knit Upper Breathability increased by +117.6% Tear-resistant upper construction that stays secure and breathable through long runs. Next-generation GCU Ground Control System outsole for grip and abrasion resistance. Suitable for road, track, and wet surfaces across high-frequency training use.