Men's Underwear
The measurements on the size chart are body measurements. Find your correct size in the chart below.
Note that each style may fit differently due to the fabric used.
Size Chart
Size |
XS |
S |
M |
L |
XL |
XXL |
Waist (Inch) |
26-28 |
29-31 |
32-34 |
35-38 |
39-42 |
43-45 |
Waist (cm) |
66-71 |
73-79 |
81-86 |
89-97 |
99-107 |
109-114 |
Fit Tips
IKON & IKON X styles: (Choose one size smaller)
This style is made from Modal fabric which is quite stretchy. As such, we recommend that you order one size smaller than your usual size for a better fit.
PRO 7" style: (True to size)
Our customers find this style fits true to size.
How to measure
Crossfly has been a vision of a small team of sporting product professionals from the UK and America. Together, we have acquired decades of experience working in the Sports industry for global brands within Marketing and Product Innovation. After a few false starts, some legal issues, a eureka moment, and a global Pandemic Crossfly was finally ready to get going.
WE'VE RAISED THE BAR and deliver the most comfortable underwear and socks you will ever wear; packed with patent pending technologies and features that offer ultimate comfort whatever you're doing. GAME. CHANGED.