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Size Chart Adult Onesies
Have a good look at the size chart below to determine the right size for you.PLEASE NOTE: OppoSuits have a slim-fit design. When in doubt between two sizes, we recommend you to pick the larger size of the two.

HOW TO MEASURE
Grab a tape measure, write down the measurements and compare with our size chart for the right size.
Hold the tape horizontally to measure:
Hold the tape vertically to measure
Step into the shadows with this bold and ultra-comfortable Gengar onesie. Inspired by one of the most mischievous and iconic Ghost-type Pokémon, this onesie is perfect for fans who like their comfort with a spooky twist. Whether you’re lounging at home, heading to a costume party, or showing off your Pokémon style, the Gengar onesie delivers standout looks and all-day comfort.
This Gengar onesie captures the Pokémon’s signature grin, deep purple color, and unmistakable attitude. With detailed design elements and a character hood, you instantly transform into the ultimate Ghost-type favorite. Ideal for Pokémon events, conventions, gaming nights, or relaxed weekends, this Gengar onesie is made for fans who want to stand out.
Made from soft, high-quality fabric, this Gengar onesie is warm, breathable, and incredibly comfortable. The relaxed fit allows easy movement, while the front zipper makes it simple to put on and take off. Perfect for chilling, sleeping, or haunting the couch like a true Gengar.
• Great for lounging and lazy days
• Ideal for costume parties and cosplay
• Perfect for Pokémon fans and collectors
• A fun and unique gift idea
• Iconic Gengar design with bold details
• Soft, cozy, and comfortable material
• Easy zip closure for everyday wear
• A perfect mix of fun, fandom, and comfort
Turn your downtime into ghost-level relaxation. With this Gengar onesie, you’re not just wearing sleepwear; you’re embracing your inner Pokémon with style and comfort.
You are currently shipping to United States and your order will be billed in USD $.