1. The Puff 1.0 sole features a soft, springy midsole made of EVA for lightweight cushioning and enhanced rebound, while the full-length rubber outsole is wear-resistant and non-slip. Comfortable and stable. 2. Velcro fastening prevents tripping caused by untied laces. 3. The toe cap is made of leather for safety and collision protection, protecting toes and preventing kicks. The flower-shaped leather outer waistband provides support and collision protection. The heel is made of leather with a reinforced gusset to prevent sprains, protect the heel, and promote healthy foot growth. 4. The first domestically produced anti-mildew and antibacterial insole effectively inhibits bacterial growth caused by sweating.