Vivobarefoot Men's Hydra ESC in Obsidian Lemon Zest
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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.
MEN'S FOOTWEAR SIZE GUIDE
| CM | EU | UK | US |
|---|---|---|---|
| 26.2 | 40 | 6 | 7 |
| 26.9 | 41 | 7 | 8 |
| 27.6 | 42 | 8 | 9 |
| 28.2 | 43 | 9 | 10 |
| 28.9 | 44 | 10 | 11 |
| 29.5 | 45 | 11 | 12 |
| 30.2 | 46 | 11.5 | 12.5 |
| 30.9 | 47 | 12 | 13 |
| 31.5 | 48 | 13 | 14 |
| 32.2 | 49 | 14 | 15 |
PRODUCT INFO
SWIMRUN ESC MICHELIN© OUTSOLE
The high-vis Michelin© sole for all-terrain traction.
BLOOM® FOAM INSOLE
The Active Bloom® Foam Insole is made using the first 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.
RAPID DRAIN AND DRY
Mesh construction provides efficient drainage and keeps out sediment and debris, while water resistant materials ensure the boot doesn't absorb water, keeping them light and comfortable.
TOUGH RUBBER COMPOUND
Strong, non-marking rubber compound for sticky grip and high-abrasion when you need it most.
VEGAN*
*The main materials in all our Vegan* products are synthetic and aren’t derived from animals. We don’t (yet) have the transparency we need over the production of all the small components (such as adhesives and dyes) used in these products to ensure they meet vegan best practices. So, whilst we believe the shoes are vegan, we’re not yet able to guarantee it and want to be fully transparent.
WEIGHT
Based on a single shoe in Men's size: EU 42 | UK 8 | US 9
350g
SIZE & FIT
MATERIALS & TRANSPARENCY
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
BUILT FOR AMPHIBIOUS ADVENTURE
The Hydra ESC is for wild runners, swimmers, and swimrunners seeking a deep connection with the aquatic biome. It’s part of our Ecological Survival Collection.
The materials drain and dry rapidly and stay light when wet. Hydrodynamic, quick-lock lacing allows easy on-the-move adjustments. A RISE foam insole, made with excess algae biomass choking up waterways, glides through water. And the Michelin© ESC sole grips even the slickest, most technical trails. Pinnacle swimrun footwear, pinnacle trail-running footwear.
OFF-TRAIL EXTREME
Extreme traction for extreme terrains, still with plenty of barefoot feeling to connect to nature.
MULTI-TERRAIN
Giving you grip and ground feel on everything from wet and dry, rocky and firm terrain.
FIT, FEEL, FLEX
For natural stability, natural sensory feedback and natural strength.
Style #: 309460-04
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