Amazon offers Prime members the Columbia Women's Benton Springs Extended Vest
in White for $9.88
with free shipping
. (Non-members can spend over $25 for free shipping; otherwise, shipping adds $4.98.) That's the lowest total price we could find for this plus size best in any color by $32. It's available in sizes 1x, 2x, and 3x.
Amazon Prime membership is $79 per year; however, Prime is free for college students for six months, and free for parents and caregivers for three months.