2 - a pair of jeans that will be washed after every other wear
100 - a pair of jeans that will be washed after every 100 wears
∞ - a pair of jeans that will never be washed
"Wash" in this blog is defined by soaking and mild agitation in cold water with Woolite dark for about 30 minutes, then rinsing with cold water for about 10 minutes, followed by hang drying