25% off applied in cart

Onia x Theory Charles Swim Trunk

Price reduced from $145.00 to $58.00
sea foam/white
Size Guide
Onia x Theory. The Charles swim trunk is a classic style with a drawstring waist, side pockets, and a back zip pocket. Cut for a refined look, it's made in striped, quick-drying stretch nylon and finished with a mesh lining.

Style #: H000278X


  • True to size, choose your normal size
  • Regular rise, slim leg
  • 5" inseam
  • Model is 6’2” and wearing a US size M


  • 94% nylon
  • 4% spandex


Hand wash cold. Do not bleach or tumble dry. Lay flat to dry. Imported.
Find in Store

Please select your size above
to check in-store availablility

Your Location:

The format of the zip is invalid.
* Please call to confirm availability

You’ll be the first to know when this item is back in stock.
Final sale: This item cannot be returned/exchanged.
Send with SmartGift
Smart Gift Tool Tip


1. Surprise your recipient with a digitally wrapped gift via text, email or any way you like
2. They can select their preferred style of each gift item
3. You can relax knowing they got their perfect Theory gift
Recepient can customize color + size

Style With

Onia x Theory Charles Swim Trunk
  • Precise Tee in Luxe Cotton Jersey
    The Essential Trio: 3 for $225
  • Irving Shirt in Essential Linen Twill
    25% off applied in cart
    Price reduced from $195.00 to $117.00
  • Polo Shirt in Modal Jersey
    The Essential Trio: 3 for $225
    Price reduced from to $95.00