+1-800-504-5897 Help Center Check Order Status
About Us Policies Reviews How To
Free Shipping & Free Returns*

FREE SHIPPING on Over 250,000 Products

Enjoy free shipping during the holidays! Shop now and get Free Value Shipping on most orders over $49 to the contiguous 48 states, DC and to all U.S. Military APO/FPO/DPO addresses.

Enjoy Our Extended FREE RETURNS

We want to ensure that making a return is as easy as possible! With our Hassle-Free, Extended Holiday Returns, eligible orders placed from November 12, 2025 on will benefit from an extended return deadline (January 13, 2026 or 30 days after receipt of your order - whichever is later). We'll even cover the cost of return shipping. Learn more about our Return Policy.

  • Entire Store
  • ...
  • Apparel & Footwear
  • Astronomy
  • Everything Else
  • Eyewear
  • Hunting Gear
  • Lab Equipment
  • Military Gear
  • Outdoor Gear
  • Photography Equipment
  • Police, EMS & Fire
  • Shooting
  • Sport Optics
  • Sports & Hobbies
TIP
Shopping Cart

ISOtunes Sport Gel Cup Earmuff Upgrage Kit IT-89 Size: Universal, Color: Green, Quantity: 1,

Special offer available for this product. Click here to see!
Limited Time Offer. Click here to see!
ISOtunes Sport Gel Cup Earmuff Cushions, Green, Universal, IT-89
ISOtunes Sport Gel Cup Earmuff Cushions, Green, Universal, IT-89
ISOtunes Sport Gel Cup Earmuff Cushions, Green, Universal, IT-89
ISOtunes Sport Gel Cup Earmuff Cushions, Green, Universal, IT-89
ISOtunes Sport Gel Cup Earmuff Cushions, Green, Universal, IT-89
1 of 4 images
ISOtunes Sport Gel Cup Earmuff Cushions, Green, Universal, IT-89
ISOtunes Sport Gel Cup Earmuff Cushions, Green, Universal, IT-89
2 of 4 images
ISOtunes Sport Gel Cup Earmuff Cushions, Green, Universal, IT-89
ISOtunes Sport Gel Cup Earmuff Cushions, Green, Universal, IT-89
3 of 4 images
ISOtunes Sport Gel Cup Earmuff Cushions, Green, Universal, IT-89
ISOtunes Sport Gel Cup Earmuff Cushions, Green, Universal, IT-89
4 of 4 images
ISOtunes Sport Gel Cup Earmuff Cushions, Green, Universal, IT-89

Tap Tap to Zoom

Return/Exchange Notice Return/Exchange Notice
Questions & Answers
Size: Universal Color: Green Quantity: 1

Code: 4MA-HR-GC1EU-IT-89

MPN: IT-89

UPC: 859571006894

$29.99

Product Info for ISOtunes Sport Gel Cup Earmuff Upgrage Kit

ISOtunes DEFY Slim Replacement Gel Cushions offer superior comfort. Packaging includes 2 replacement gel ear cushions.DEFY Slim Replacement Foam Cushions fit the ISOtunes Sport DEFY Slim BT and DEFY Slim. For regular users, we recommend replacing ear cushions every 3-9 months depending on the frequency of use.image

Specifications for ISOtunes Sport Gel Cup Earmuff Upgrage Kit:

Manufacturer: ISOtunes Sport
Size: Universal
Color: Green
Quantity: 1

Package Contents:

  • ISOtunes Sport Gel Cup Earmuff Upgrage Kit

ISOtunes Sport Gel Cup Earmuff Upgrage Kit Orderable Models

List of Orderable Models

  • ISOtunes Sport Gel Cup Earmuff Cushions, Green, Universal, IT-89 , MPN: IT-89 , UPC: 859571006894 , Code: 4MA-HR-GC1EU-IT-89
Compare (0)
1 item has been added
Add at least two items to compare