を着よう

shall I wear

→ を
phrase Rare #39,157
shall I wear The volitional form of 着る, used when deciding or wondering what to wear. Depending on context, it can also mean “I’ll wear.”
JA: 今日はどのジャケットを着よう?
EN: Which jacket shall I wear today?

別のを着よう別の

Let's put on different clothes and different shoes.

今夜はを着ようかしら

I wonder what I should wear tonight.

— ミッション・クレオパトラ (2002)

セーターの上にを着ようかな

What should I wear over my sweater?

今日はこの赤いセーターを着ようと思っている

I think I’ll wear this red sweater today.