Explanation:
The two main factors which influence the fashion life cycle are seasons and trends. For sweaters season is the main reasons for demand of the product. When the climate changes people stop using sweaters which is a winter wear. During spring season people's dressing style changes which is completely in contrast with winter clothing.
The stores also stop selling sweaters and start selling flowery fabrics to go with the season. Sweater is a seasonal product in any country. It can be used only in winters. Sweaters cannot be used in summers, spring or autumn.