Mens B I O S Sneakers (Midnight)
Mens B I O S Sneakers (Midnight)
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.
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Eco Friendly
Natural Materials
Grounding
Earthing
Barefoot
Wide Toe Box
DESCRIPTION
DESCRIPTION
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. It’s ideal for sport activities, and casual strolls in the neighborhood, yet stylish enough for a party or a full day at the office.
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, cool or warm weather, active all-day wear.
Natural Healthy Stability. Barefoot, splayed toe box and zero drop sole design. Natural rubber outsole for traction.
Grounding. Using our proprietary Direct GroundSyncTM conductive Technology, molded into the outsole.
Versatile Design. Lightweight slip-On sneaker, natural materials, great for travel or any activity.
FEATURES & SUSTAINABILITY
FEATURES & SUSTAINABILITY
- The perfect fusion of style, grounding and barefoot functionality
- Minimizes odor and disperses sweat
- Wide natural shaped toe box and zero drop
- Grounding/Earthing - Using our proprietary carbonized rubber Direct GroundSyncTM conductive Technology
- Lightweight, breathable, and durable
Upper
- Quarter, Tongue, Overlays - 100% premium natural Nubuck
- Vamp Knit - RPET 65%, Wool 31%, Nylon Hotmelt 4%
Lining
- Collar & Counter - 100% CR/Metal Free Yak 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
- Recyclable synthtic rubber
- 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 returns in the US on every order. Every time. sign up
SALE shoes purchased during a sales period CAN be returned for a full refund minus $12 fee for a return shipping label.
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!
 Size | US | EU | Insole |  |
|---|---|---|---|---|
| - | 7 | 40 | 25.3cm |  |
| - | 8 | 41 | 26.2cm | |
| - | 9 | 42 | 26.9cm | |
| - | 10 | 43 | 27.8cm | |
| - | 11 | 44 | 28.5cm | |
| - | 12 | 45 | 29.1cm | |
| - | 12.5 | 46 | 30cm | |
| - | 13 | 47 | 30.5cm | |
| - | 14 | 48 | 31.2cm | |
| - | 15 | 49 | 32.4cm | |
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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.
