Li-Ning JB4 Jimmy Butler 4 "Bay Area Blade" - Basketball Shoes Mens Blue Orange

The Li-Ning Jimmy Butler 4 (JB4) "Bay Area Blade" is a signature basketball shoe in collaboration with NBA star Jimmy Butler, inspired by the San Francisco Bay Area. Released in Q4 2025, this professional game shoe is engineered for aggressive wing players and features a deep navy base with silver accents.

Key Features and Technology

The JB4 "Bay Area Blade" is built for high-performance with a focus on quickness, stability, and impact protection. 

Cushioning: Features full-length Li-Ning Super BOOM cushioning for responsive bounce and soft impact protection.

Support & Stability: Includes a carbon-fiber support plate for anti-torsion rigidity, smoother transitions, and secure foot lock-in during cuts.

Upper: The upper is constructed from a lightweight mix of textile and synthetic leather, with a carbon fiber texture and a water transfer printing process for a unique aesthetic and structural support.

Traction: The GCU (Ground Control Unit) outsole pattern delivers strong, multi-directional grip suitable for both indoor and outdoor courts.

Fit: The shoe is described as having a stiff, supportive, yet explosive feel, with an anti-collision toe cap for added protection.