Slip-on style shoes with an open back and a closed front that are generally casual and comfortable. The sole is very rigid and traditionally made from wood, but modern styles also feature cork, rubber, or plastic soles.
Winter is the coldest period of the four seasons. Winter occurs between fall and spring; during the months of December, January, and February in the northern hemisphere; and during June, July and August in the Southern hemisphere. Winter is characterized by cold weather, with snow and ice on the higher latitudes.