Sizing Chart

Size conversion

To find the proper shoe size, use our handy conversion chart.


 Trail BugWeb and Overshoe conversion chart.


 Easy Street BugWeb sizing chart.



Additional Sizing Tips

Icebug Insole Thickness

The FAT is approximately 7 mm thick at heel and 5 mm at the forefoot. There is a layer of temperature reactive foam that takes a subtle mold of the foot for more comfort and protection. Perfect for those who are older and the fatty tissue on the bottom of the foot is breaking down, those who want more support (Thicker foam equals more under the arches), or need to fill volume in the shoe for a more precise fit.

The SLIM is approximately 5 mm in the heel and 2 mm in the forefoot. It does not have the extra layer of comfort foam. This gives the user a closer fit and is lighter weight and takes up much less volume in the shoe. Perfect for low volume footwear.

Other Considerations
  • The Low insole for both FAT and SLIM is primarily designed for those people who cannot tolerate much support under the arch or those with what we call a Rigid-Flat foot. This insole gives a small amount of support under the medial arch but does provide some support on the lateral side and also very importantly behind the Met pads. This helps with forefoot issues and shoe fit. 
  • Most people will find the Medium foot shape insoles to be the best. This should be good for those with lower to medium arches and those with flexible feet. It is the best place to start if you don’t know what might work. This is ideal for those who over-pronate and whose foot gets bigger when they put weight on it.
  • The High foot shape is the highest on the market today. The shape is ideal for those who like MAXIMUM support under foot and for those with feet that UNDER-PRONATE and are more ridged. These feet put more pressure on the forefoot and have little in the way of shock absorption. Icebug High insoles will provide relief in the forefoot with the Metatarsal arch bump in the front and the materials and shape will help give support and comfort to those with high arches. Women are the majority of this customer.
The Right Size and Shape
  • If you have a FLEXIBLE FOOT, you should get one size larger than usual. This is a general rule. You can always trim off the extra to make it fit.
  • If you have a HIGH RIDGID FOOT that doesn’t change shape much when sitting or standing, then you should get the same size or one size smaller. You do not want it smaller than the shoe it’s going into, however. Again this is a general rule.
  • Volume (Fat or Slim) is a matter of preference and the shoe it’s going into. Tighter fitting shoes like dress shoes, cleats, some running shoes, etc. will work better with the slim. If you will be standing more, wearing looser shoes such as boots, casual, work, etc. and you like more padding or cushion under foot, then the Fat is best.
  • The reason we have 10 sizes per style and shape is that the “SHAPE” of our insole is key to it fitting properly and working optimality. Because of this, Icebug Insoles can be semi-custom fit to your foot.