I got this one

Seems to be doing the trick.

Wife and I had the same problem. Bought these and it has drastically reduced the false triggers. Key Fob Cover Fit for Volkswagen VW MK8 Golf/GTI Skoda Octavia Soft TPU Remote Holder Skin Protector Jacket Keyless Entry Sleeve Accessories (Silver) https://smile.amazon.com/dp/B098JY52N9/ref=cm_sw_r_cp_api_glt_i_793GP8Z1T9J0R9HP5NNW?_encoding=UTF8&psc=1