Number + 双 + 鞋
The noun 鞋 (xié) means "shoe" and refers to footwear in general. It can combine with other characters to specify types, such as 皮鞋 (leather shoes) or 运动鞋 (sneakers). It is one of the most basic everyday vocabulary items in Chinese.
这双鞋穿起来特别舒服。
zhè shuāng xié chuān qǐlái tèbié shūfu.
These shoes are especially comfortable to wear.
她买了一双新的运动鞋准备去跑步。
tā mǎi le yī shuāng xīn de yùndòngxié zhǔnbèi qù pǎobù.
She bought a new pair of running shoes to go jogging.
下雨天最好穿防水的鞋出门。
xiàyǔ tiān zuìhǎo chuān fángshuǐ de xié chūmén.
On rainy days, it's best to wear waterproof shoes when going out.