I prefer wearing loafers when shopping because they're comfortable and easy to slip on.

loafers 是名词 loafer 的复数形式。loafer 指一种无鞋带的平底便鞋，特点是容易穿脱，通常采用软质皮革制作，鞋面常有装饰性的金属扣或流苏。这种鞋款源自挪威渔民的传统鞋子，后来演变成休闲鞋的经典款式。