The Sports Tech Back Thing is not a kidney belt, It is a very comfortable full lumbar support. It features a 4-Way stretch Neoprene that flexes when you flex and doesn’t restrict movement. Wear it next to your skin or over clothing.
-Small fits waists from 20"-29"
-Medium fits waists from 30"-35"
-Large fits waists from 36"-44"
-X-Large fits waists from 45"-56"
Specifications and Options
||Small, Medium, Large, X-Large