One Piece iPhone Case – Luffy Gear 4, Red Roc

The Boundman Emerges from the Steam

Luffy in Gear 4 takes up the entire back of the case: chest swollen with Haki, enormous fist thrust forward, defiant smile, all surrounded by white steam and red and gold flashes. A One Piece iPhone case made of soft silicone, predominantly red and gold.

Key features at a glance

• Soft silicone, full-surface printing
• Compatibility: 27 models, from iPhone 7 Plus / 8 Plus to iPhone 17 Pro Max
• Tracked delivery to France, the European Union, and internationally

The story behind the design

Gear 4 was born in Dressrosa: Luffy inflates his muscles like a balloon and coats them with Armament Haki, until his entire body bounces — this is the Boundman form, the one whose Kong Gun made Doflamingo buckle. The design captures this pivotal moment, when the steam escapes and the punch is thrown.

The rendering is deliberately dark and shiny: deep contrasts, tempered glass-like reflections, spiral Haki tattoos on the arm, and golden bursts slashing across the background. From afar, it reads as a red explosion; up close, every wisp of steam is meticulously drawn.

Why you'll love it

• A dark and shiny 3D rendering, saturated with steam and flashes
• Wide compatibility: 27 models covered
• Soft silicone: easy to install and remove, good shock absorption
• Raised edges to protect the screen and camera module
• Precise cutouts: accessible buttons, charging port, and lenses

This 3D universe at home: Luffy Gear 4 Boundman Wano 30 cm and the Luffy Gear 4 vs Kaido diorama. All the rest in our figures.

Is this case compatible with my iPhone?
It is available in 27 models, from iPhone 7 Plus / 8 Plus to iPhone 17 Pro Max. Select yours at the top of the page before adding to cart.

Does the print cover the entire case?
Yes, the design is printed on the entire back and slightly overflows onto the sides.

Do you have other One Piece cases?
Yes: Ace from Behind in Flames, Ace and the Wanted Poster, Ace on Manga Panels.

What's the difference from our other Gear 4 case?
Luffy Gear 4 features the Boundman in a medallion on a cream background, like a treasure map; this one shows him full-frame, in a dark rendering saturated with steam. And for the next form, the Gear 5 series goes from Awakening in Purple to Panels.

What to read to go further?
Our selection of the best anime transformations revisits the great power-ups of the genre, including the awakening of Gear 5.

What is the delivery time?
Typically 5 to 10 business days, with package tracking for France, the European Union, and internationally.

• Careful packaging for a case delivered in perfect condition
• 100% secure payment
• Customer service at your disposal

Note: colors may vary slightly depending on screens.