




Our models typically wear US Size 2-4 or Australian Size 6-8, X-Small, Small, or One-Size garments.
On each product page, we provide the model's measurements and what size she is wearing to help guide you.
You can refer to the charts when selecting sizes but please note that sizes cannot be guaranteed and might vary slightly between brands.
If you need any advice about sizing, please feel free to drop us a line at: service@sunnoss.com
The measurements in the description of individual products are taken only across the front side of the garment, not around the circumference (e.g. chest and waist).
If you can't find a completely satisfactory size in our size chart, don't worry! Feel free to contact us anytime at service@irispetal.com or through our online customer service. Our team is more than happy to provide personalized advice, recommend alternative styles, or assist with customization needs. Your comfort is our top priority!
Free Shipping on Orders Over $50 !
Fast, free shipping—style delivered with ease !
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
Enjoy an extremely long return period during the event !
Our 24/7 customer care team is here to deliver thoughtful support !
The Motus Flex is our most barefoot-feeling performance trainer, providing unparalleled barefoot feeling and flexibility for calisthenics, primal movement, bodyweight training and more. Feel barefoot when you can’t be – and experience every sensation.

Maximum underfoot sensory feedback.

The Active Ortholite Performance Insole is made of 98% recycled PU foam, which helps reduce waste and the use of virgin plastics.

Breathable, lightweight and comfortable.

*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.

Based on a single shoe in Men's size: EU 42 | UK 8 | US 9
Knit: RPET 86% + Elastane 3% + hot melt 11%
Elastic Lace with Toggle
OUTSIDE: 100% RPET, INSIDE: 100% Natural latex elastice
Ortholite Performance
Synthetic Rubber
Brush off mud and clean with a damp cloth
Remove insole and dry at room tempreture. Keep out of direct sunlight and avoid putting on a radiator.
LIQUIPROOF PREMIUM PROTECTOR. With wear, your shoes may loose some water resistent quality that is applied to the textile of the shoes. This product can be used to replenish the water repellent qualities.
Laces and insoles can be replaced.
The Revivo Take Back program is our initiative to extend the lifetime of our shoes and keep them out of landfill. Customers in the UK, US and Europe can send us your worn Vivos for free. Sorry global Barefooters, we’re working on expanding free shipping for our Take Back program to more regions, and eventually, make this available worldwide.

Barefoot performance for your best performance. Unleash your natural potential in every workout.

For natural stability, natural sensory feedback and natural strength.

The Motus Flex Outsole is designed with calisthenics experts for pinnacle barefoot-movement performance. It’s our thinnest rubber sole, decoupled (separated into two parts) for full flexibility and mobility. Perfect for primal movement, calisthenics, yoga, and more.

You’re an incredible super-organism packed with raw potential. Let your body do what it does best. Embody natural movement.
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