Vivobarefoot Hydra ESC Womens in Obsidian

This item's sizing: W7 = EU 38 || W8 = EU 39 || W9 = EU 40 || W10 = EU 41 [ Please check photos for additional measurements from this brand ] The Hydra ESC is our pinnacle swimrun and trail trainer, built to thrive in the aquatic biome in harmony with nature. It’s a pioneering take on amphibious barefootwear, created alongside elite athletes to glide underwater, grip on land, and drain and dry quickly. Swimrun ESC Michelin outsole The high-vis Michelin© sole for all-terrain traction. BLOOM® FOAM INSOLE The Bloom® Foam insole is made using the sustainable alternative to synthetic and petrochemical EVA foam, derived from algae biomass. This algae can damage our oceans, so harnessing it in our footwear helps clean up the environment. BREATHABLE MESH Breathable, lightweight and comfortable. TOUGH RUBBER COMPOUND Strong, non-marking rubber compound for sticky grip and high-abrasion when you need it most. VEGAN WEIGHT ~310g based on a single shoe in Women's size: EU 38 | UK 5 | US 7 Materials: UPPER: Vamp (100% RPET), Overlay (20% Bio Corn KPU, 80% Polyurethane), Collar Knit (RPET 75%, Elastane 21%, Nylon Hotmelt 4%), Eyestay TPU (80% Polyurethane 20% Resin) Lining: Lining Microfibre (40% Polyester, 60% Polyurethane + Hotmelt) Hardware: Toggle Polycarbonate, Lace End TPU Laces: 100% RPET Insole: Bloom, Blind Insole (100% RPET), Turned Insole Backer (100% RPET) Outsole: Swim Run ESC Michelin Outsole (52% Synthetic Rubber, 48% Additives) MADE IN VIETNAM