The healthiest of all
1. Cloth shoes / canvas shoes (cotton) ⭐⭐⭐⭐⭐
- Made of pure cotton, breathable and non-toxic, making it the safest
- Suitable for everyday wear
2. Genuine leather shoes (top layer). cow leather /Sheepskin/Silicone Leather) ⭐⭐⭐⭐⭐
- Natural leather (silicone is truly eco-friendly leather) offers excellent breathability
- Note: Look for “top-grain leather” or silicone leather, and avoid “PVC/PU types.” artificial leather /Together finished leather ”
- Disadvantages: expensive
3. Natural rubber soles ⭐⭐⭐⭐
- Extracted from rubber trees, safe and non-toxic
- Non-slip and wear-resistant, the most reliable choice for soles
![image – Nleather Image [1]-Healthiest shoe materials guide: How to choose safe and breathable cloth, leather, rubber and synthetic soles-Nleather](https://www.nleather.com/wp-content/uploads/2026/06/image-151.png)
🥈 It can be worn
4. EVA (ethylene-vinyl acetate copolymer) ⭐⭐⭐
- It is non-toxic, environmentally friendly, and biodegradable
- Lightweight and shock-absorbing, commonly used midsoles for clogs and sports shoes
- ⚠️ However, foaming agents may retain formamide (low toxicity), and inferior products carry risks
- Recommendation: Choose a big brand without any pungent odor
5. TPU (Thermoplastic Polyurethane) ⭐⭐⭐
- Eco-friendly material, wear-resistant and cold-resistant
- It is much safer than PVC
- Disadvantage: Yellows easily
⚠️ Wear less
6. PU leather (polyurethane compound). finished leather ) ⭐⭐
- It is slightly better than PVC but may still contain chemical residues
- If it’s not breathable, your feet can easily feel stuffy
![image – Nleather Image [2]-Healthiest shoe materials guide: How to choose safe and breathable cloth, leather, rubber and synthetic soles-Nleather](https://www.nleather.com/wp-content/uploads/2026/06/image-152.png)
🚫 Throw it away!
7. PVC (Polyvinyl Chloride) ⭐
- ❌ The WHO International Agency for Research on Cancer classifies it as a Group 3 carcinogen
- ❌ Plasticizers (phthalates) must be added to soften
- ❌ Plasticizers can be directly absorbed by the skin! It is an endocrine disruptor
- ❌ It affects the reproductive system, increases cancer risk, and promotes precocious puberty
- ❌ Market sampling: Among 40 batches of PVC clog shoes, 26 batches had excessive plasticizer limits
- ❌ Cheap “step-on-poop-feeling” slippers are mostly made of PVC—throw them away quickly!
- The softer the lower grade, the more dangerous they are. Especially cheap plastic slippers = PVC = toxic
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