snow gear; clothing for going out in the snow
Refers to clothing and equipment worn when going out in snowy conditions. Often used in contexts of preparation for snow, similar to 雪支度.
See also: 雪支度
It seems it will snow heavily tomorrow, so let's get our snow gear ready.
The children bundled up in their snow clothes and dashed outside.
Compound of 雪 (yuki, 'snow') and 装束 (shōzoku, 'attire' or 'costume'). The reading しょうぞく for 装束 is a standard reading for this compound.