Lightweight mesh upper for breathable flexibility Flywire cables in the forefoot integrate with the laces for a superb fit Anatomically-placed foam pods on either side of the inner heel deliver comfort and work to prevent heel slippage The hexagonal pattern in the outsole enhances flexibility and supports 360-degree movement Fused dual-density foam ensures cushioning Jump in to your workout with Nike's Flex Supreme TR 5 Women's Cross Trainer. Engineered for lightweight breathability, this cross trainer delivers an ultra-flexible outsole that moves with your foot. Get ready for support, lockdown and flexibility where you need it most. An upper layer provides soft, comfortable support and the lower layer consists of a supportive outsole and durable cushioning.