According to its maker, Wool&Prince, the shirt is resistant to odors can hence does not require washing for more than three months while the material used in wrinkle free, hence it does not requiring ironing too even if its stuffed at the bottom of a gym bag at the end of the day.
The shirt requires dry cleaning or gentle washing only and makes use of flexible wool fibres which do not break even if they are bent back on themselves 20,000 times compared to just 3,200 times when using cotton.
"We use the finest wool shirting yarn out there-usually reserved for the luxury fashion industry. Our fabric will redefine what you think of wool. If you want to go for the 100 Day Challenge, we aren't going to stop you", a spokesman for the company said.