The Zhik Trap-20 size 0 harness is probably the smallest harness on the market. It's pricey at $269, but will size down to a 20" waist (maybe smaller).

Available from the Catsailor Online store. They show the T-1, but if you order request the T-2.

Last edited by mikekrantz; 04/07/11 10:10 AM.