Tafsiran Amsal 31:21: Rashi

She fears not for her house hold For those who live in her house.

for snow For the cold.

are dressed in crimson Colored clothing.

[21] She fears not for her household for snow with which they judge the wicked from fire to snow.

dressed in crimson The covenant of the blood of circumcision. Another explanation: They are dressed with the commandments expressed in double language. (Deut. 15:10): “You shall surely give (נתון תתן),” (ibid. verse 8): “you shall surely open (פתוח תפתח),” (ibid. verse 14): “you shall surely furnish him liberally (הענק תעניק).” All these save them from the snow of Gehinnom. So it is expounded in Tanhuma.