Bose

Bose 878857-0100 QuietComfort Earbuds II Alternate Sizing Kit

4.5 (41 reviews)

Customize Your Comfort with the Perfect Fit The Bose Alternate Sizing Kit for QuietComfort Earbuds II ensures your earbuds stay secure and comfortable. Including two pairs of ear tips and stability bands in different sizes, you can customize the fit to match the unique contours of your ears. Mad...

$15.00*
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*Price sourced from Amazon.com. Last updated:Jun 19, 2026.Price and availability are subject to change.

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Overview

Customize Your Comfort with the Perfect Fit

The Bose Alternate Sizing Kit for QuietComfort Earbuds II ensures your earbuds stay secure and comfortable. Including two pairs of ear tips and stability bands in different sizes, you can customize the fit to match the unique contours of your ears. Made with soft silicone for all-day wear. Specifications:
  • 2x Pairs of Ear Tips (X Small/X Large)
  • 2x Pairs of Stability Bands (X Small/X Large)
  • Soft Silicone Material
  • Comfortable and Secure Fit
  • Lightweight Design

Key Features

2x Pairs of Ear Tips (X Small/X Large) - 2x Pairs of Stability Bands (X Small/X Large)

Comfortable & secure fit

Made from soft silicone

A compact, lightweight design

Specifications

Product Type
Alternate Sizing Kit
Included Ear Tips
2x Pairs (X Small/X Large)
Included Stability Bands
2x Pairs (X Small/X Large)
Material
Soft silicone
Design
Compact, lightweight
Compatibility
Bose QuietComfort Earbuds II

Pros & Cons

👍 Pros

  • Includes two pairs of ear tips in X Small and X Large, offering versatile sizing options for a custom fit.
  • Comes with two pairs of stability bands in X Small and X Large, enhancing the security of the earbuds during wear.
  • Constructed from soft silicone, ensuring a comfortable feel for extended periods of use.
  • Features a compact and lightweight design, which contributes to ease of wear and portability.
  • The alternate sizing kit allows users to achieve a more comfortable and secure fit for their Bose QuietComfort Earbuds II.

👎 Cons

  • This product is solely a sizing kit and does not include the Bose QuietComfort Earbuds II themselves.
  • The kit only offers X Small and X Large sizes, potentially excluding users who need medium or other intermediate sizes.
  • While made from soft silicone, individual skin sensitivities could still be a factor for some users.
  • The lightweight design, while beneficial, does not imply added durability or resistance to wear and tear.
  • Being an accessory, it does not directly improve the audio quality or noise-canceling features of the earbuds.

Frequently Asked Questions

The kit includes two pairs of ear tips (X Small/X Large) and two pairs of stability bands (X Small/X Large) to help achieve a comfortable and secure fit.
The ear tips and stability bands in this kit are made from soft silicone, designed to provide comfort during use.
No, this product is an alternate sizing kit for the Bose QuietComfort Earbuds II and does not include the earbuds themselves.
This kit provides ear tips and stability bands in X Small and X Large sizes, offering options for users with different ear canal dimensions.
This sizing kit is designed to help users achieve a comfortable and secure fit for their Bose QuietComfort Earbuds II, which can enhance the overall listening experience.