**Specifications:**
Brand: QIAODAN
Model: B4.0
Color Options: Vibrant Orange, Sky Blue
Design: Asymmetric "Yin Yang" color collision
Technology: Q-KUNGFUPRO, PROHP-Rebound Technology
Weight: 190g per shoe (US8/41 size)
Weight Reduction: â¥10g compared to previous model
Sole Material: Carbon plate
Energy Feedback: Up to 90%
Rebound Performance Improvement: 20%
Support: Midfoot arch support, widened heel
Closure: Dual strap system with nine lace holes
Upper Material: Intelligent fine twisted yarn
Outsole: Durable CPU outsole with multi-directional patterns
Features: Lightweight, elastic, faster, stable output
Usage: Racing and speed running
Additional: Widened forefoot, improved stability
**Description:**
The QIAODAN B4.0 is a high-performance carbon plate running shoe designed for speed and agility. With innovative technologies such as Q-KUNGFUPRO and PROHP-Rebound, this model offers superior energy feedback and rebound performance. The lightweight design, stable output, and improved support make it ideal for competitive racing. The shoe features a unique asymmetric color design and a dual-strap closure system for a secure and comfortable fit. The durable CPU outsole provides excellent traction, while the widened heel and midfoot arch support enhance stability. Overall, the QIAODAN B4.0 is a top choice for runners seeking a fast and reliable racing shoe.