Need Help With Sizing? Fill Out the Form, Get a Free FitKit.
The ThermApparel Fit Kit is loaded with tips and suggestions and a handy measuring tape so you will get the correct size when you order. Fill out the form below and we will send you a FitKit!
General Sizing Tips:
- Sizing is based on your natural waist, not your hips or pant size.
- Cooling Products needs to fit your body like a glove to give you the best cooling support.
UnderCool 3 Sizing Guide
3.0 Sizing Tip: If you are in between 2 sizes order the LARGER size.
Size | Natural Waist | |
---|---|---|
Extra Extra Small - XXS | 18" - 24" |
46 cm - 61 cm |
Small |
24" - 31" |
61 cm - 78 cm |
Medium |
31" - 40" |
78 cm - 101 cm |
Large |
40" - 51" |
101 cm - 129 cm |
Extra Extra Large - XXL | 51" - 64" |
129 cm - 162 cm |
UltraCool Sizing Guide
Size | Natural Waist | |
M/L | 32"-45" | 78cm-101cm |
XL/XXL | 45"-65" | 101cm - 129cm |
RallyWrap Sizing Guide
The RallyWrap is one size fits most. If you would wear an XL Tee Shirt size, we recommend getting your RallyWrap with 8 Cooling Packs so that the cooling will wrap around your entire torso.
Using a Fabric Measuring Tape:
- Sizing is dependent on natural waist size not bust size.
![](https://media.cmsmax.com/dnyvgrcnkwznj1ewrkvzx/001sizingfemale.jpg)
1. Stand or sit up
straight and tall.
![](https://media.cmsmax.com/dnyvgrcnkwznj1ewrkvzx/002sizingfemale.jpg)
2. Bend at both sides.
Where you naturally
bend in your natural
waist.
![](https://media.cmsmax.com/dnyvgrcnkwznj1ewrkvzx/003sizingfemale.jpg)
3. Measure where you bend. If you don't bend measure below rib cage but above belly button.
Don’t Have a Fabric Measuring Tape?
You can measure your waist the same way with a straight ruler and:
String / Yarn
Dental Floss
Shoelace
Charging cord from your phone