Our beloved barefoot staple for little feet just got a big upgrade. The Primus Sport IV is now softer, more flexible and comfier than ever — but still tough enough for all-day play. Featuring a breathable mesh upper made with 100% recycled polyester, vegan* materials, a grippy multi-terrain sole and easy tongue construction for independent movers, it’s ultra-light and ready for action.
Product information
Kids Urban Play outsole
Grip meets flexibility for kids who are finding their balance.
Vivos are designed with thin soles to help reconnect you with the ground, and provide flexibility for strong, healthy feet.
2mm
Tread depth refers to the thickness of the patterns or “lugs,” on the sole. These are purposefully designed to cater to specific surfaces and conditions, providing an ideal combination of traction, grip, and a sense of connection with the ground.
The Kids Urban Play outsole is made from sticky rubber that stands up to playgrounds and concrete jungles. With a 2mm base and 2mm lugs, the hexagon design gives kids a firm grip, as well as the freedom to move naturally. Designed for ultimate flexibility, toe protection and ground feel — just what fast-growing feet need.
Don’t stop moving.
Walking, running, jumping, dancing. Kids never stop. And why should they? That’s exactly what nature intended.
No Insole
No insole, bringing you even closer to the ground for a greater barefoot experience.
Breathable Mesh
Breathable, lightweight and comfortable.
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.
107g
Size & fit
This Vivo fits true to size.
Materials & transparency
UPPER
100% Recycled Polyester
LINING
100% Recycled Polyester
FASTENING
Velcro, 100% Nylon
OUTSOLE
46% Synthetic Rubber, 35.5% Additives, 18.5% Natural Rubber
MADE IN VIETNAM
Care instructions
Cleaning
Brush off mud and clean with a dry cloth.
Drying
Dry at room temperature. Keep out of direct sunlight and avoid intense heat source.
Aftercare
Clean with mild soap and water and allow to air-dry away from direct heat. Avoid prolonged exposure to water, salt, and harsh chemicals.
































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