[De Anza Art Glass Club]

I think you want to protect against IR, and UV isn't a problem with soft glass.

Try Wale Apparatus. They offer a lighter shade of soft glass protective wear.
Look at the "S" series.
Keep watching the site. Around traditional sale days, they always have 20% off, sometimes 15%.

Edit: Forgot to include link:
https://www.waleapparatus.com/product/fit-over-style/