Mens B I O S Sneakers
Mens B I O S Sneakers
This style fits true to size. For a perfect fit we recommend to measure your foot, reference the size chart, or try them on by printing a template where provided.
Couldn't load pickup availability

Eco Friendly
Natural Materials

Grounding
Earthing

Barefoot
Wide Toe Box
Product details
Product details
BIOS
Meet B I O S , the revolutionary barefoot lifestyle sneaker that's all about keeping you connected to the ground. With its minimalist design, feather-light feel, zero-drop sole, and roomy toe-box, B I O S is made for natural movement. The term "bios" isn't just a label; it represents your lifestyle, your ethos, encapsulating the very essence of life and your unique way of living. B I O S is more than a shoe; it's a statement – a commitment to staying grounded with every step.
Best For
Walking, working out, grounding, day at the office, travel, cool or warm weather, active all-day wear. The perfect fusion of style, grounding, and barefoot functionality.
Features

Wide Toe Box for natural splay and stability.
Thin & FlexibleCup-sole design for natural movement and ground feel. For foot strength development and enhanced toe grip.
x

Using our proprietary Direct GroundSyncTM conductive Technology, molded into the outsole
x

No heel elevation or elevated toe box. Heels and toes are flat. For improved foot strength, body posture and gait.
x

Natural materials
x

Breathable, and durable
x

For improved grip and traction
x

Antimicrobial, minimizes odor and disperses sweat. Biobased foam cushioned bottom with natural cork top layer.
x
Materials
Upper
- Quarter, Tongue, Overlays - 100% premium metal-free natural Nubuck
- Vamp Knit - RPET 65%, Wool 31%, Nylon Hotmelt 4%
Lining
- Collar & Counter - 100% CR/Metal Free leather lining
- Other lining - 100% Bamboo Fiber
- Footbed - 95% Bamboo Fiber, 5% Stainless Steel conductive thread
Insole
- Castor bean oil-based foam
- Naturally antibacterial cork top layer
Outsole
- 48% Natural Rubber, 42% Recyclable synthetic rubber, 10% Additives
- Pads - Proprietary conductive carbonized rubber
Laces
- Made from 100% RPET (recycled plastic bottles)
Weights & Measures
- Sole thickness / stack height - 5 mm / 7mm
- Weight - 280g (Per shoe in Men's size US 9/EU 42)
Shipping & returns
Shipping & returns
Under-groundz members get FREE domestic standard shipping and hassle-free returns in the US on every order. Sign up
SALE shoes purchased during a sales period can be returned for a full refund, minus an $11 fee for a return shipping label. FINAL SALE items are non-refundable.
Visit our Shipping & Returns page for more details.
Sizing & fit
Sizing & fit
Our B I O S sneakers are generally a medium fit and true to size.
If you are not used to wearing barefoot shoes with minimal cushioning, we recommend taking some time to aclimate. Start with wearing them for an hour a day and progressively increase time as your feet adjust.
Wearing natural cotton socks will still provide grounding!
You Might Also like




















Taking Barefoot Shoes One Step Further!
B I O S is a first of its kind minimalist barefoot and grounding lifestyle sneaker. B I O S stands for one's lifestyle or ethos, encapsulating the essence of life, and one's unique way of living.


Rooted In Style, Energized By Earth
B I O S seamlessly unites style, functionality, and versatility, fusing modern shoe design and the benefits of grounding. Whether you’re on a leisurely stroll, a demanding workout or simply on your way to the office, B I O S effectively eliminates excess electrical build-up by providing an uninterrupted connection to the Earth’s electrical charge. This aids in reducing inflammation and pain, supporting recovery, regulating biological rhythms, and enhancing sleep and circulation.

Walk Naturally
BIOS embodies the essence of barefoot walking, featuring a zero-drop, thin flexible sole, and wide toe box for free movement, natural grip, and optimal ground feel.


THIN AND FLEXIBLE
Thin and flexible B I O S outsoles allow for a natural and unrestricted range of motion, emulating the sensation of walking barefoot. They provide enhanced sensory feedback from the ground, and promote better balance and proprioception. Increased flexibility facilitates a more efficient and biomechanically sound gait, reducing the risk of injuries, promoting foot strength, and increasing mobility. Whether navigating rugged terrain or strolling through urban landscapes, B I O S offers heightened comfort and performance, enabling wearers to truly connect with their surroundings and move with effortless ease.