On those days when Mother Nature left a foot of fresh snow on your doorstep overnight. and in the morning it's still howling angrily, put on the Fjallraven Singi Heavy Men's Flannel Shirt to protect yourself from the intense cold in the air and then get to work. Do you fill your wood stove? defrosting pipes or clearing driveways to neighbors Soft and durable Singi cotton fabric will keep you warm until until the very last job is done.