Possible Clues:

• Warm garment we disposed of for middle of summer
• Clothing seen in southwest diner
• Garment was not article picked up by consumer
• What to wear in second season, when it's less hot?
• We rest a high jumper
• Guernsey
• Jersey may become 7, some say, after end of holidays
• Cardigan or crewneck
• Pullover, e.g
• Garment for person feeling the heat?