Are these shoes cause pain or any problem to backbone and knees?

No these trainers are designed to help with knee and back pain, by allowing the foot to be in its natuaral position. They take a bit of getting used to, but feel brilliant on my feet. Hope this helps

i wear 7.5 what size should i get 7 or 8?

People say they run large but I am a size 11 and they fit true to size for me. Depends if you have wide/narrow feet - if you have wider feet go for the 8, narrow go for the 7. Hope that helps

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VIVOBAREFOOT Primus Lite III Mens Barefoot Trainers | Build Strength, Balance & Mobility | Lightweight for Training & Running | Wide Fit Grounding Shoes | Vegan |

Product ID: 447457858

🌱Made with sustainable recycled PET materials

🦶4mm ultra-thin sole for maximum ground feel

⚖️Zero-drop flat sole for natural foot alignment

¥73292

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Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🦶 Step Lightly, Run Stronger, Live Greener

FEEL EVERY STEP - Active thin sole delivers unmatched sensory feedback and non-slip grip on urban surfaces.
WIDE FIT FOR REAL FEET - Generous toe spread enhances balance and stability, empowering natural foot biomechanics.
VERSATILE ATHLETIC EDGE - Perfect for running, gym workouts, and everyday wear—your all-in-one strength and mobility trainer.
ECO CONSCIOUS PERFORMANCE - Crafted from recycled PET, reducing your carbon footprint without compromising durability.
TRAIN BAREFOOT TRAIN BETTER - Minimalist design with wide toe box promotes natural foot movement and strength building.

The VIVOBAREFOOT Primus Lite III is a cutting-edge barefoot trainer designed for men seeking to build foot strength, balance, and mobility. Featuring a zero-drop, 4mm thin rubber sole and a wide toe box, it offers a natural, sensory-rich ground feel ideal for running, gym workouts, and daily activities. Made with sustainable recycled PET materials, this lightweight, vegan shoe combines eco-conscious innovation with durable, non-slip performance on hard urban surfaces.

Specifications

ASIN	B09TZFYHVF
ASIN	B0D94KWMKF
Best Sellers Rank	390,305 in Fashion ( See Top 100 in Fashion ) 607 in Men's Road Running Shoes
Brand	VIVOBAREFOOT
Closure Type	Lace-Up
Colour	Obsidian
Customer Reviews	4.3 4.3 out of 5 stars (666)
Customer reviews	4.3 4.3 out of 5 stars (666)
Date First Available	16 Jun. 2024
Department	Men's
Fit to Size Sentiment	True
Global Trade Identification Number	05057794112889
Has Shoe Adjustability	Yes
Heel Type	Flat
Insole Cushioning	Minimum or limited
Insole Material	Rubber
Item Weight	1000 Grams
Item model number	309092-01
Lace Closure	Eyelets
Lace Ends	Plastic aglets
Manufacturer	Vivobarefoot
Manufacturer	Vivobarefoot
Manufacturer part number	309092-0140
Model Name	Primus Lite Iii
Model number	309092
Number of Items	1
Number of Packs	1
Occasion Lifestyle	athletic
Occasion Type	athletic
Outer Material Type	Recycled PET
Pattern	Solid
Platform Height	4 Millimetres
Pronation Correction	Neutral
Season	SS2022
Shoe Height Map	Low Top
Shoe Type	Athletic Shoe
Sole Material	Rubber
Special Feature	hard-ground
Specific Uses For Product	Sports
Sport Type	Running
Stitching Style	Border Embroidery
Strap Type	lace_up
Style Name	Low-Top Trainers
Subject Character	Barbie
Theme	Sport
Toe Style	Closed Toe
Unit Count	1 count
Water Resistance Level	Not Water Resistant
lining-description	Unlined, airy air mesh
material-type	Textile

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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TrustScore 4.5 | 7,300+ reviews

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¥73292

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Japan.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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Perfect platform for hard-to-find items. Delivery was prompt.

1 month ago

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Excellent communication throughout the order process. Product is perfect.

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