I had a small mountain of expiring points at Norwegian Air, so in August, my husband and I took our toddler to Norway. (She believes we went on holiday in Arendelle, the fictional queendom from Frozen.) It was not going to be varm on the fjords — the high would average 63 degrees — so I packed our bags with fall articles of clothing, including my most favorite socks.These boot socks come in a heat …