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Here To Help
 

Frequently Asked Questions

 
 
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How does it work?

Watch the video here. Applying Underfuse takes 30 seconds and so does watching this video.

Underfuse is designed to be bonded to performance textiles such as those made by all the popular sportswear brands.  It will also bond to most other fabrics such as cotton. Make sure to test the apparel in an inconspicuous area to make sure it can handle the heat. 


Will my phone fit?

Underfuse pockets are designed to work with all iPhone models except the "Plus" models, as well as most Android phones except the "Note" sized phones. Here is a quick cheat sheet to help you out. 

Small pocket: 

  • Perfect for iPhone 4, 4S, 5, 5S, 5C 

Large Pocket:

  • Perfect for iPhone 6, 7, 8, X
  • Perfect for Samsung Galaxy S6, S7, S8
  • Will not fit Galaxy Note or iPhone Plus models

Where should I put it?

Wherever you want!  Thats what makes Underfuse so great.  On men our experience is that it works best when attached to compression shorts right on the front of the thigh.  On women's workout pants/shorts the front of the thigh works great as well.  Women also have success attaching Underfuse to a tight workout top above the hip on the side of your body.  

 

How do I wash it?

Wash it according to the manufacturers suggested care on your apparel.

What's your return policy?

If the product isn't working as intended we're more than happy to make the situation right. Please contact us if you're having a problem. If you have questions about application please contact us or watch the video here.