Under armour micro assert 6 junior trainers the under micro assert 6 junior trainers help to keep your youngsters feet cool and dry during wear they have a full lace fastening padded ankle collar and tongue plus cushioned insole for comfort and a mesh fabric composition for ventilation synthetic overlays add support to the top of foot a moulded foam midsole helps to cushion underfoot and a rubber tread for increases grip finished off with under armour branding kids trainers