Lightweight construction with breathable mesh fabric for maximum comfort and performance. These shoes save your energy even after taking thousands of steps.✅Upper: Comfortable Knit tennis fabric✅Lining: Soft fabric lining✅Outsole: Flexible Shockproof EVA✅Insole: Removable Foam insole✅Comfortable, breathable, and lightweight.Feel like walking on air because they are very light, and smooth fabric makes all your toes comfortable like wearing nothing.