Power Shields are weapons in Crash Team Racing, Crash Nitro Kart and Crash Team Racing Nitro-Fueled. They are green spherical force shield that surround the player kart and prevent damage taken from opponent weapons and obstalces by 1 hit. In Crash Team Racing, pushing the button will fire the power shield and if it hits another player, it will cause damage given to opponent. For this reason, a second power-up cannot be used in CTR without firing first power shield away.
Power Shields can't be fired in console port of Crash Nitro Kart. If the player crashes into an opponent while wearing a power shield (or vice versa), the power shield will be destroyed and the opponent will take damage. After a certain amount of time, the green power shield will fade away. Juiced up power shield are blue color and will lasts permanently until juiced up power shield is successfully destroyed.
- The Power Shield is the only weapon in Crash Team Racing without known counterpart in the Mario Kart series. However, its ability to protect the player from one hit of another item is similar to holding a Banana Peel, Green Shell or Red Shell behind the player kart in Mario Kart, which serves as protection from behind.