**Product Specifications:**
**Brand:** GUIRENNIAO ()
**Product Name:** Running Shoes
**Style:** Chinese Fashion Trends, GRN.1987
**Category:** MEN/SHOES, CHINESE FASHION TRENDS, RUNNING SHOES
**Features:**
- VAMP: Breathable mesh upper with sandwich construction, lightweight, resilient, soft, and comfortable
- SHOELACE: Durable and secure laces, prevents loosening during walking
- SOLE: Low-density, high-rebound midsole for flexibility, comfort, lightweight, and cushioning
**Material:**
- Upper: Fabric + Synthetic Leather
- Color Options: Black, Light Grey, Black/White
- Outsole: Molded EVA
**Sizes:** 39-44 (Men), 35-41 (Women)
**Inner Lining:** Comfortable
**Size Guide (Men):**
- US Sizes: 5.5, 6.5, 7, 8, 8.5, 9.5, 10, 11, 12, 12.5
- UK Sizes: 5, 6, 6.5, 7.5, 8, 9, 9.5, 10.5, 11.5, 12
- EU Sizes: 39, 40, 41, 42, 43, 44, 45, 46, 47, 48
- China Sizes: 245, 250, 255, 260, 265, 270, 280, 285, 295, 300
**Size Guide (Women):**
- US Sizes: 2.5, 3.5, 4.5, 5, 5.5, 6.5, 7
- UK Sizes: 2, 3, 4, 4.5, 5, 6, 6.5
- EU Sizes: 35, 36, 37, 38, 39, 40, 41
- China Sizes: 220, 230, 235, 240, 245, 250, 255
**Brand Culture:** Established in 1987, GUIRENNIAO is a well-known Chinese sports footwear and apparel brand. The company focuses on sports products, including shoes, clothing, and accessories, with an integrated operation from research and development to international marketing. GUIRENNIAO aims to lead people to enjoy sports and promote the concept of happy sports nationwide.
For more information, visit [www.grn.cn](www.grn.cn).