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
Ready to make waves? With the Shark Onesie, you combine bold style, fun character, and next-level comfort in one unforgettable outfit. Inspired by the ocean’s most iconic predator, this onesie is perfect for lounging, costume parties, or anyone who wants to stand out with a playful edge.
The Shark Onesie boasts a striking design with unmistakable shark details that instantly grab attention. From the moment you zip it up, you’re transformed into a fun, fearless look that works just as well at a party as it does on the couch.
Made from soft, high-quality fabric, the Shark Onesie feels warm, cozy, and comfortable without restricting movement. The relaxed fit gives you plenty of room to chill, move, or dance, while the front zipper makes it easy to put on and take off.
• Costume parties and themed events
• Lounging at home or sleepovers
• Festivals and fun gatherings
• A bold and memorable gift
• Eye-catching shark-inspired design
• Soft, warm, and comfortable material
• Easy zip closure
• Perfect mix of fun, comfort, and style
Whether you’re making an entrance at a party or relaxing after a long day, the Shark Onesie lets you do it in comfort and style. Bold, cozy, and impossible to ignore, this is loungewear with bite.
Also, take a look at all of our Animal Onesies.
You are currently shipping to United States and your order will be billed in USD $.