8” Active Swim Trunk
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8” Active Swim Trunk


Size Guide

Models wearing MeUndies products
Size S M L XL 2XL 3XL 4XL
Natural Waist (in) 26-28 29-31 32-34 35-37 38-41 42-44 45-47
Low Hip (in) 34-36 37-39 40-42 43-45 46-48 49-51 52-54
Size S M L XL 2XL 3XL 4XL
Natural Waist (cm) 66-71 74.5-79.5 81-87 89-94 96.5-104 106.5-112 114-119.5
Low Hip (cm) 86.5-91.5 94-99 101.5-106.5 109-114 117-122 124.5-129.5 132-137


"This product Runs normal"

Unsure of What Size to Buy?

Reach out to our CheekSquad at meundies.com/help so we can help you find the perfect size.

Return Policy

If you're not satisfied with any product for any reason, just reach out to the CheekSquad for a full refund or exchange. No caveats. No questions. No worries.

No 8" Active Swim Trunk | Me Undies Me Undies colors available in this size.

Unused Swim products can be returned within 14 days of delivery. Must have original tags still attached.

Product Information +

Swim-ply the Best

Super soft, super comfy, and featuring a soft mesh Boxer Brief liner for the ultimate fit, our 8" Active Swim Trunk was made for long days of fun in the sun. Elastic waistband and functional drawcords are designed to keep your trunks up while swimming laps or floating over to the swim-up bar. Not to mention, there are plenty of pockets to stash all your sandy secrets.

Go on, swim, play, lounge, and repeat.

Plus, you can feel good knowing that you’re helping to reduce plastic waste by wearing recycled materials. We’re talking 8 plastic bottles per pair. Wowza.

It's All in the Details

  • Self: 89% Recycled Polyester, 11% Spandex
  • Liner: 89% Recycled Polyester, 3% Polyester, 8% Spandex
  • BPA/PFA Free
  • 8” Inseam
  • New super-soft mesh Boxer Brief liner for better comfort and fit
  • Elastic waistband with functional drawcords
  • Key loop at waistband to easily hook your keys, so they don't get lost in the sand
  • Side hand pockets, secure back pocket with snap closure and grommet for easy water drainage (bonus points for the hidden internal pocket)
  • Water and ultra-chlorine resistant
  • UPF 50+ to keep you extra protected
  • Ethically sourced
  • Imported under fair working conditions

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