Tops are an item of apparel that refers to all garments that are worn to cover the torso. Tops may, or may not include sleeves to cover the arms.
About Underwear:
Underwear refers to any article of clothing designed to be worn under the clothes and close to the skin. Articles of underwear for women may include, but are not limited to; bras, sports bras, bikini briefs, boy shorts etc. Articles of underwear for men may include, but are not limited to; boxer briefs, briefs, cotton t-shirts, base layer pants, etc.
About Winter:
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.