US Patent 9210967 Sole structure with traction elements

A sole structure for an article of footwear may include a frame member having a continuous opening with portions located in forefoot, midfoot and hindfoot regions. A plurality of primary traction elements may extend outward from the frame member. A compressible midsole may be bonded to upper surfaces of the frame member. A flexible support plate may be bonded to the midsole. The flexible support plate may span substantially all of the frame member opening and have a lower surface exposed in at least a forefoot region. The support plate may be isolated from the frame member by the compressible midsole. A plurality of secondary traction elements may be integral to and extend outward from the exposed lower surface of the support plate.