Ok, temp was only 40 today however I discovered that is low enough that my theraband gold bands (which I decide would be my goto bands) really slowed down. Many of you will not be surprised. I decided to get some Precise cold weather latex. $22 on amazon but I wont have to wait 2 months. My theraband gold measures .68 mm... should I purchase the Precise latex with the the most similar size? Or is the performance much different where I should get thicker or thinner?? thanks to all.