He prefers woollen socks because they are more comfortable.

他更喜欢羊毛的袜子，因为它们更舒适。

Wear good quality, strong boots to deal with rough terrain. Accompany with good quality woollen socks that do not chafe.

穿质量比较好，比较结实的靴子，以免遇到比较难走的地形。搭配质量好的羊毛袜子，这样不会擦伤双脚。