Under Armour Girls Ua HeatGear Sonic Capri (Big Kids) Imported Elastic closure Machine Wash Super-light HeatGear fabric delivers superior coverage without weighing you down. Signature Moisture Transport System wicks sweat to keep you dry and light. Lightweight, 4-way stretch construction improves mobility and maintains shape. Anti-microbial technology keeps your gear smelling fresher, longer. Smooth flatlock seams prevent chafing.