+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

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 FREE RETURNS

We want to ensure that making a return is as easy and hassle-free as possible! If for any reason you are not satisfied with your purchase, simply return the item within 30 days of receipt, and we'll 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

Q&A for SureFire Sonic Defender Ultra Max Full Block Foam - Tipped Earplugs — 2 Questions & 2 Answers

Name SureFire Sonic Defender Ultra Max Full Block Foam - Tipped Earplugs (4.3)
As Low As $21.49 Save Up to 39%
View Product
Write a Review
Please keep questions related to the product! If you have questions regarding availability, pricing, or shipping options for this item, please contact our customer service team.
Need an answer right now?
Contact us!
Continue As a Guest
Saving...
Sign In or Create an Account (optional)
or Register
Why use an OpticsPlanet.com account for my questions and answers?

Having an account with OpticsPlanet.com makes writing questions and answers even better! We’ll save all of your questions and answers in your account, provide you easy access to them, so you can see how the community has responded.

If you’d like to add a question without creating an account, you can proceed with filling out the fields on this form.

Show
Sort by
Filter by
Q
Kevin, member, from SC, United States, asked on March 29, 2021

How come there are different sizes and how do I choose the right size for my ears.

Expert Answer
A
Answered by Kurt Colbourne, Gear Expert, from IL, United States, on July 01, 2021

Unfortunately, info isn't readily available on the different sizes. Here's the info on the manufacturer.

https://www.surefire.com/contact/general-inquiries/

Was it helpful to you? Yes | No
Share
Submit Your Answer
Q
Colleen, guest, from MI, United States, asked on July 03, 2018

How do I know which size to order ... large, medium or small?

Expert Answer
A
Answered by Carly R., Gear Expert, from IL, United States, on August 28, 2018

According to the manufacturer, "Proper size is based on the dimensions of your ear's concha bowl. Size "medium" fits most people.".

2 of 3 found the following answer helpful.
Was it helpful to you? Yes | No
Share
Submit Your Answer
Last updated 2025-11-12 UTC.