These tips also fit the EEP-100. I have a set and they work well. Just get the tip fully on the earpiece.
https://www.amazon.com/gp/product/B00RRD7XJE/ref=ppx_yo_dt_b_asin_title_o05_s00?ie=UTF8&th=1
Thanks, I'll give them a try. If these don't do it, I'm just going to sell the earbuds and go back to muffs over foamies.