Size Guide Menswear
Size Guide
If you need help choosing your size you can use our 'Find your fit' tool on each product page, if you need further help please contact our team via the online chat — our fit experts love talking swim and are always happy to help.
If you fall between sizes, we recommend sizing up for the most comfortable fit.
Men's Swimwear
| Size | Waist (inches) | Waist (cm) |
| S | 33 – 34 | 83.5 – 88.5 |
| M | 34 – 35 | 88.5 – 93.5 |
| L | 37 – 39 | 93.5 – 98.5 |
| XL | 39 – 41 | 98.5 – 103.5 |
Our swim shorts feature an adjustable waistband for a comfortable and flexible fit.
How to Measure:
Use a soft measuring tape and measure directly against your body while wearing light clothing or swimwear.
Waist:
Measure around the narrowest part of your waistline.
Hips:
Measure around the fullest part of your hips while keeping the tape level.
Need Help?
If you have any questions, please contact our fit experts via the online chat — they simply love talking swim and will be happy to assist you in finding your perfect NAIA fit.