Li-Ning FEIDIAN 6 CHALLENGER men's racing running shoes powered by SUPER BOOM technology. Lightweight, reflective, and competition-ready, built for speed-focused runners who demand performance.

Order Acknowledgement

Fit: For the best fit, please use your foot measurement. Our insoles are designed to be 0.5-1 cm longer for comfort and performance.

Craftsmanship: Minor glue marks may be visible on some shoes as part of the normal manufacturing process. This is not considered a product defect.

Shoebox: Due to long-distance shipping, the original shoebox may arrive with minor damage.

By placing an order, you acknowledge and accept the above points. Please be advised that issues related to these specific points are not eligible for a refund or return.

MEN'S SIZE CHART

TECHNOLOGY

SUPER BOOM: SUPER BOOM represents a significant advancement over the Boom Technology in terms of lightweight and appearance. Through employing cutting-edge manufacturing technology, not only the weight of the midsole is substantially reduced, but the microcell also become more delicate and uniform, resulting in a smoother and more refined texture. The innovative midsole possesses exceptional performance management capabilities, allowing it to exhibit outstanding balanced soft and stiff rebound performance and adapt to the diverse professional requirements under multiple sporting scenarios, and facilitating an enhanced athletic performance.

BOOM FIBER: BOOM FIBER is a new type of thermoplastic elastomer that can be prepared into lightweight "silk" through advanced spinning technology. Its flexibility, elasticity and durability are superior to ordinary fibers, and the feel is very comfortable. By combining "silk" with advanced weaving technology, a lightweight, breathable, and comfortable shoe upper can be obtained, which is not easily deformed and has a longer service life.

CARBON-FIBER PLATE: Carbon fiber board has excellent properties such as high strength, high modulus, and lightweight, with much higher strength than traditional support materials such as TPU and PA (nylon). It helps to provide good support and force transmission during exercise, reduce sports losses, and improve sports performance.