
Waffle outsole design in the forefoot provides multi-surface traction and a touch of cushioning.BRS 1000 carbon rubber provides durable traction.Environmentally Preferred Rubber located in the forefoot provides multi-surface traction.Dynamic Flywire provides necessary support and unmatched fit while reducing the shoes overall weight.Engineered Mesh comprises the upper, providing lightweight breathability.Zoom Air located in the heel and forefoot consists of low-profile pressurized air pockets that flex on contact for responsive cushioning.Cushlon is a full-length midsole foam that delivers plush, resilient cushioning.The Pegasus 39 has the more durable outsole as it has much more rubber. The foams of the Zoom Fly 5 and the Pegasus 39 are more durable than traditional EVA as it won’t lose as much cushioning over the life of the shoe. It has an exposed SR02 midsole in the midfoot. The outsole of the Zoom Fly 5 has a thick piece of rubber in the forefoot with full rubber coverage in the rearfoot. The outsole of the Pegasus 39 has lots of thick, hard durable rubber throughout the bottom of the shoe. The Pegasus 39 has a more traditional ride with the Zoom Air bags providing some extra cushioning and rebound. The ride of the Zoom Fly 5 is modern with a distinct propulsive feel as your forefoot rolls forward and pushes off. The Pegasus 39 has a snappy, more flexible forefoot. The plate and the thick midsole of the Zoom Fly 5 make it very rigid and it doesn’t flex much. The Pegasus 39 on the other hand is low to the ground and firm so there is no lean bias. In terms of stability, the high midsole of the Zoom Fly 5 makes it a little unstable, especially for heel strikers. The Nike Pegasus 39 has a React foam midsole with a forefoot Zoom Air unit and a heel Zoom Air unit on top of the midsole.īoth shoes are medium soft shoes because the foams used are a harder density than the React foam in the Infinity Run or Miler. The Nike Zoom Fly 5 has a thick midsole made from SR02 and ZoomX foam with a plate imbedded into the midsole.
