A knit upper enhances the flexibility of a ballet flat that gives you a near-weightless feel. Lightweight: puts cushioning and performance underfoot with an emphasis on streamlined comfort Foam cushioning with arch support Textile upper and lining/synthetic sole Imported Rise by BLOOM is an algae-blended resin containing algae biomass and bio-based additives, with renewable content of at least 45%, offsetting a significant portion of traditional EVA in footwear foams