How to Get the Perfect Fit: Your Guide to Spares’ Interchangeable Ear Cups

No two ears are the same. That’s why Spares include four different ear cup sizes in every package - so you get a fit that’s not only secure, but comfortable enough to wear all day, whether you're working, riding, performing, or traveling.

But choosing the right fit isn’t just about comfort - it’s critical to getting full hearing protection and crystal-clear sound.

Here’s how to get it right.

Why Fit Matters

Spares are designed to create a soft seal at the opening of the ear canal. This seal is what allows the precision mesh filter to work properly - reducing dangerous frequencies while preserving clarity.

A poor fit means:

  • Reduced effectiveness
  • Sound leakage or muffling
  • Discomfort or slippage
  • Less protection for your hearing

When Spares are seated properly, you'll feel a gentle hold - no pressure, no pain, no popping - just a clean, natural reduction in harmful volume.

The Four Sizes Explained

Every Spares set includes four interchangeable silicone ear cups:

  • Small: For smaller ear canals or those who prefer a softer, looser fit
  • Medium: A balanced fit - works best for the majority of users
  • Large: The pre-installed size, great for average to fuller ears
  • Extra Large: For those who need a tighter, more secure hold

All cups are soft, flexible, and designed to contour comfortably to the shape of your ear.

Fit Tips & Tricks

  • Feel pressure? Try a smaller size. You want comfort, not compression.
  • Feel movement or looseness? Size up until it feels gently secure.
  • Muffled sound? Try backing them out slightly - don’t push them deep.
  • Switch sizes for each ear. It’s more common than you think. Most people’s ears aren’t exactly symmetrical.

How to Insert Spares Correctly

  1. Gently seat the earplug at the entrance of your ear canal - don’t push it inside.
  2. Let the silicone form a natural seal. It should sit flush, without sticking out or needing force.
  3. Do a sound check. You’ll know you’ve got the right fit when sound becomes softer - but still sharp and clear.

Built to Stay Put

Once you’ve found your size, Spares are designed to stay locked in - even during movement, sweat, long wear, or under helmets and hats.

No stems. No awkward loops. Just a clean, low-profile fit that works for real life.

Your Ears, Your Fit

Everyone’s ears are different - and that’s exactly why we include multiple sizes in every set. Finding your perfect fit isn’t a luxury - it’s a necessity.

Get the seal. Get the clarity. Get protected. Grab Your Spares.