Amazon has Thermos Stainless Steel Beverage Can Insulator for 12 Ounce Can, Stainless Steel for $7.09 and Free Shipping w/PRIME.
On sale for just over $7. These vacuum-insulated beer/soda can insulators work almost as well as Yetis, are much thinner, no screw top to worry about, and much cheaper!
https://www.amazon.com/gp/product/B0000644AF