What Basketball Does the NBA Use? Official Ball Details

By Emma Wilson · July 18, 2026

The NBA uses the Spalding NBA Official Game Ball for all regular season and playoff games. This ball is made of full-grain leather and features a microfiber composite surface for optimal grip, consistency, and performance under indoor court conditions.

Overview of the NBA Official Game Ball

The official basketball used in NBA games is manufactured by Spalding and has been the league's exclusive game ball since 1983. The ball is designed to meet strict standards for size, weight, texture, and bounce to ensure fair and consistent gameplay across all arenas.

Key Features of the NBA Game Ball

Material: Full-grain leather with microfiber composite overlay
Circumference: 29.5 inches (75 cm)
Weight: Approximately 22 ounces (624 grams)
Color: Orange with black rib seams
Internal Bladder: Butyl rubber for superior air retention
Manufacturing: Handcrafted in China under Spalding supervision

History of the NBA Basketball

Before partnering with Spalding, the NBA used balls from various manufacturers, including Wilson. In 2006, the NBA briefly switched to an experimental synthetic ball made by Spalding, but players complained about its slickness and inconsistent grip, leading to a swift return to the traditional leather model.

Milestones in NBA Ball Development

1983: Spalding becomes the official supplier
2006: Introduction and quick discontinuation of the synthetic composite ball
2021: Renewal of partnership between Spalding and the NBA through 2025
2022: Launch of enhanced moisture-wicking technology in the game ball

Comparison: NBA vs. Other League Basketballs

Different leagues use different specifications based on player needs, court surfaces, and climate. The NBA ball is tailored specifically for elite indoor performance.

Feature	NBA (Spalding)	FIBA (Molten)	NCAA (Wilson)	WNBA (Wilson)
Circumference	29.5"	29.5"	29.5"	28.5"
Weight	22 oz	22 oz	22 oz	20 oz
Material	Leather + microfiber	Synthetic leather	Composite leather	Composite leather
Official Supplier	Spalding	Molten	Wilson	Wilson
Used Indoors/Outdoors	Indoors only	Both	Indoors	Indoors

Table data source:1, 2, 3

The data shows that while circumference and weight are largely standardized among men’s professional and collegiate leagues, material composition and supplier vary significantly. The NBA’s use of premium leather ensures superior feel and control, justifying its indoor-only usage. The WNBA ball is smaller and lighter to accommodate anatomical differences and playing style.

Performance and Player Feedback

NBA players consistently emphasize the importance of ball consistency. Even minor variations in texture or inflation can affect shooting accuracy and passing precision. Spalding works closely with the league and players' union to test and refine the ball’s design.

Common Player Concerns

Break-in period required for new leather balls
Moisture absorption during long games
Slight variation between production batches
Need for proper inflation (7.5–8.5 psi)

Frequently Asked Questions About the NBA Basketball

What brand of basketball does the NBA use?

The NBA uses the Spalding NBA Official Game Ball, which has been the standard since 1983. Spalding renewed its contract with the league to remain the official supplier through the 2024–2025 season.

Is the NBA ball made of real leather?

Yes, the official NBA game ball is made from full-grain leather with a microfiber composite overlay to enhance durability and grip. This combination provides a premium feel while maintaining consistency during play.

Why did the NBA stop using the synthetic ball in 2006?

The NBA introduced a synthetic composite ball in 2006 to improve performance and reduce water absorption. However, players reported it was too sticky when dry and became slippery when wet. Due to widespread complaints, the league reverted to the traditional leather ball within weeks.

How much does an official NBA game ball cost?

An authentic Spalding NBA Official Game Ball retails for around $170. Replica versions are available for $70–$100. Game-used balls from actual matches can sell for hundreds or thousands at auction.

Do all NBA teams use the same basketball?

Yes, every NBA team uses the exact same Spalding NBA Official Game Ball during games. Each ball is inspected and prepared by league staff to ensure uniform pressure, cleanliness, and condition before being used in play.