Under Armour Men's Charged Core Cross-Trainer Shoe 100% Synthetic/TPU Imported Synthetic sole Shaft measures approximately 3" from arch Abrasion-resistant upper with a synthetic overlay for stability & durability External TPU heel counter for locked in support Molded toe cap Full-length Charged Cushioning sockliner provides ultimate comfort & fit Dual-layer midsole combines Charged Cushioning in the arch & Micro G foam for the ultimate blend of cushioned support & explosive responsiveness where you need it