FeaturesMaterial: Pro stretch neoprene made from recycled polyester and nylonInternal material made from grapheneTechnology: Graphene-infused threads warm up quicker and retain heat longerNeoprene foam: Superlight Foam partly made from recycled materialsa foam made from recycled tyres and neoprene scraps for unmatched thermal retention and optimal stretchExternal seams: Liquid S-seal seamsConstruction: Neoprene bootie with a round toeThickness: 5 mmClosure system: Strap to support the archComposition [Main material] 80% neoprene, 10% nylon, 10% polyester
