LeBron 21 “Blue Diver” Basketball Shoes – Translucent Blue Outsole FQ4052-400

Inspired by the strength and beauty of the sea, the LeBron 21 “Blue Diver” draws design influence from an oyster shell, blending elite performance with striking aquatic aesthetics. This standout colorway features Light Armory Blue, Blue Hero, Ashen Slate, and Court Blue tones, finished with a translucent blue outsole for a bold on-court presence.

The glossy Ashen Slate upper is detailed with perforations for breathability, while the suede tongue and heel counter showcase flowing, wave-inspired graphics that reinforce the ocean theme. Built for high-level performance, the LeBron 21 is packed with ’s advanced cushioning technology, including responsive Air Zoom paired with Max Air cushioning for powerful impact protection and explosive movement.

A defining feature of this model is its dual Swoosh design. The lateral side displays an embossed and embroidered Swoosh, while the medial side features exposed rope-style detailing that adds texture and a unique visual twist.

Key Features

• LeBron 21 “Blue Diver” basketball shoes

• Aquatic-inspired design with oyster shell influence

• Glossy, perforated upper for breathability

• Suede tongue and heel with wave graphic detailing

• Air Zoom and Max Air cushioning for elite performance

• Translucent blue outsole for traction and style

• Dual Swoosh design with embossed and rope-style details

Details

• Colorway: Light Armory Blue / Blue Hero / Ashen Slate / Court Blue

• Style Code: FQ4052-400