Hi, @usabear13. I want to welcome you to Connect. My liver/kidney transplant was in 2009, and sun protection is something that is/was stressed to me by my transplant team. So, i am a fervant user of sun protection and I like to keep it simple by using sunscreen and protective clothing. It has become my normal routine to wear a sun protective (15/30) facial moisturizer all year long even though I live in Kentucky and not near the beach.
As for the heat - I have always been a "sweat"er. I get it from my dad's side of family. Since my transplant I am more aware of how quiskly I break out in a sweat when outside and active. I rely on long sleeve shirts that are breathable when outside and unable to avoid direct sun, and i choose a hat instead of my preferred visor. I think that my genes and my immunosuppressive medicines make me sweat more than most people, I have found that the ZNO moisture wicking t-shirts from Coolibar do well to keep me comfortable when working in the yard, walking, or hiking.

There might be some additional information in this discussion:
- Anyone have tips on sun protection?
https://connect.mayoclinic.org/discussion/anyone-have-tips-on-sun-protection/
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Usabear13, I'm not sure that I was able to address your sun/heat issues, so perhaps you would add some more information so that I might be able to connect you with other members. How long ago was your transplant? What are some of the issues that you are having with sun and heat? Have you talked with your transplant team about this?