The forecast for your backside

Scale of Sultry 2.0

Turn heat, humidity and sunshine into one brutally honest comfort score.

Rufus, the SwampButt alligator mascot
No installation required

Use the calculator right here

Enter your local conditions. Your Sultry Score updates instantly.

Sun exposure Radiant heat adds to the misery
Your sultry score9.9/10

Extremely sultry

Sun-Adjusted Feels Like127°FHeat index plus the effect of your selected sun exposure

Peak sticky conditions: high apparent heat, heavy humidity, and limited drying relief.

“Rufus has melted into the swamp.”
DrySwampy
SwampButt Lycra/Spandex0.11
Faster evaporation from the Lycra/Spandex fabric used to make SwampButt Underwear™.
Cotton underwear0.07
Cotton underwear dries much more slowly because the fabric holds sweat like a sponge. You’ll have a sweaty, soggy bottom longer in the same style of cotton undies your grandfather wore.