Heatproof Trait You Are Here Sims Challenge Tracker References Traits Purchased Traits Heatproof About Trait Summary Heatproof Sims aren't negatively affected by hot temperatures and enjoy the heat. Pack Seasons Trait Category Purchased Traits Sims with this Trait You are not signed in. Log In or Sign Up to see or save your Sims. This Site is Free This site is free, but you can help to make it financially possible. ☕ Buy Me a Coffee