Under Armour Charged Ultimate TR Low cross training shoes provide an optimal blend of cushion and explosive responsiveness. UA ClutchFit™ technology wraps your feet in a lightweight “second-skin” for powerful support and an incredible feel. With multi-surface traction you'll experience secure and confident performance anywhere your workout takes you. Upper: External TPU heel counter provides locked-in support. Innovative lacing system provides an unmatched “lockdown” fit. Molded toe cap offers added support and durability. Midsole: Full-length Charged Cushioning™ sockliner provides optimum comfort and fit. Dual-layer midsole combines Charged Cushioning™ on top of Micro G® foam for the ultimate blend of cushioned support and explosive responsiveness. Outsole: Rubber outsole provides superior traction with flex grooves for extra flexibility where it's needed most. Multi-surface traction designed to be worn on all surfaces.