Ultra IV. Women's
The Ultra IV is your go-to amphibious footwear for exploring where land meets water—lightweight, flexible, and built for barefoot movement in nature.
Built for sand, sea, rivers, and rock pools
The Ultra IV is for barefoot adventure-seekers who want to get fully immersed in nature. Made with 51% I'm Green™ Bio-based EVA (Braskem), these amphibious shoes are flexible, lightweight, and designed for barefoot freedom—allowing you to move naturally in and out of the water.
NO INSOLE
No insole, bringing you even closer to the ground for the full barefoot experience.
VEGAN*
*The main materials in all Vivobarefoot Vegan* products are synthetic and aren’t derived from animals. They don’t (yet) have the transparency needed 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, while they believe the shoes are vegan, they’re not yet able to guarantee it and want to be fully transparent.
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Size Chart
Ultra IV. Women's















