**Product Specifications:**
**Brand:** GUIRENNIAO
**Product Name:** Men's Running Shoes
**Colors:** Grey/Blue, Sand Brown/Grey, Grey/Deep Blue, Black/White
**Material:** Fabric + TPU
**Sizes:** 39-44
**Sole:** EVA + Rubber
**Features:** Lightweight design, cushioned midsole, energy return, arch support, rubber slip-resistant outsole, stability support
**Description:** GUIRENNIAO men's running shoes are designed for unrestricted speed and performance. The shoes feature a combination of fabric and TPU for a comfortable and breathable fit. The cushioned midsole provides a soft and comfortable wearing experience while elongating the leg lines. The shoes are built for a light and responsive feel, making them ideal for running without limits.
**Size Guide:**
- **Men's Sizes (US/UK/EU/CH):** 5.5/5, 6.5/6, 7/6.5, 8/7.5, 8.5/8, 9.5/9, 10/9.5, 11/10.5, 12/11.5, 12.5/12
- **Women's Sizes (US/UK/EU/CH):** 2.5/2, 3.5/3, 4.5/4, 5/4.5, 5.5/5, 6.5/6, 7/6.5
**Brand Culture:** Established in 1987, GUIRENNIAO is a well-known sports footwear and apparel brand in China. The company focuses on providing high-quality products and a seamless customer experience from research and development to international marketing. GUIRENNIAO aims to lead people to enjoy the happiness of sports and has a strong presence in the market through its innovative products and extensive marketing efforts.
**Company Information:** GUIRENNIAO Sports Co., Ltd. was founded in 1987 and went public on the Shanghai Stock Exchange on January 24, 2014 (Stock Code: 603555). The company specializes in sports footwear, apparel, and accessories, offering a wide range of products for sports enthusiasts. Visit www.grn.cn for more information.