From Under Armour, the Assert 6 girls' running shoes feature: two layers of breathable mesh upper with light, supportive foam in between durable leather overlays for stability and midfoot lockdownfootbed with antimicrobial treatmentfull-length Micro G® foam midsole non-marking rubber outsole for greater traction strategically-placed rubber traction that covers high-impact zones for greater durability with less weight Imported.