F50 adizero TRX FG sea of yellow/collegiate gold.Upper: Sprintskin single layer synthetic drastically reduces the adizero’s weight. Innovative internal TPU support bands in the upper offer support and stability.Insole: Ultralight sockliner is carefully designed to not add bulk. Comes with second pair of comfort sockliners.Outsole: Sprint frame for lightweight stability. TRX TPU outsole has a new stud configuration that improves your balance at top speeds.For best use on firm groundWeight: 5.8 oz.
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