Silicone Cozy Strap or Nylon Power-Lift Strap
1) Classic Silicone Cozy Strap: Works for most glasses. Fits arms 3mm-12mm (app .5"). Low Profile and easy to clean. Pair with Ear Cushions if needed.
2) Nylon Power-Lift Strap: Great for Large Frames, Heavy Glasses, or Nylon Preference. Cushions along temple and ears. Best Counterbalance available.