Adidas Lady Supernova Sequence 4 Running Shoes 3 Dimensional Cushioning and Support Design - eases the transition between landing and toe No Seam Fit Technology - with geofit heel and step in sock liner for luxury comfort and ad Torsion System - gives midfoot integrity and with full forefoot adiprene plus maintains ef Litestrike 55 Lasting - for lightweight comfort and soft feel with combination of Adiwear adiPRENE+ - for protection from harmful impact forces and great cushioning.