adidas Performance Women's Sonic Allegra Training Footwear 100% Synthetic Imported Rubber sole 15-degree heel bevel; Air mesh upper for maximum breathability Grid-like allover synthetic overlay for durability and support; Reflective details ADITUFF for best abrasion resistance in the toe area Breathable mesh lining TORSION SYSTEM for midfoot integrity; ADIWEAR 6 outsole offers the ultimate in high-wear durability