Andrew, what is the problem with your Peltors? the reason that I ask is that I had a pair 10 years ago that were brilliant and lasted ages, I then got another pair of Peltor Sportacs from work and they stopped working in no time, sent them back to The Sportsman and had them replaced. Now the new ones have let me down too. Just trying to summon up the energy to do battle with the shop to get our money back. I think that both Peltor and the UK retailers are aware that the wheels have fallen off and they should repair, refund or replace if you push them. JC