RD-1 Runner combines a Surge NRG Foam midsole with a durable engineered mesh upper to provide unparallelled comfort and response, while the 10mm heel-to-toe drop maintains support and accelerates power. Designed to complement a runner’s natural movement, TYR’s RD-1 enhances stride and speed so you can go the distance.
Technology
-Surge NRG Foam, a responsive and durable base that supports and reacts to a runner’s energy output.
Features
– Engineered mesh upper
– Reinforced side support guards
– Molded sockliner
– 10mm heel-to-toe drop
– 4mm grooved outsoleÂ
Material
-100% polyester engineered mesh upper
-EVA Surge NRG midsole foam
-2 mm EVA Strobel
-Rubber outsole


















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