ski suit       
noun [ C ] uk/ˈski ˌsuːt/ us/ˈski ˌsuːt/
 滑雪服
a piece of clothing worn for skiing that covers your arms, legs and the rest of your body to your neck
  He was wearing a bright red ski suit. 他穿着一身鲜红的滑雪服。 
 Children in ski suits and crash helmets weaved down the nursery slope. 穿着滑雪服、戴着防撞头盔的孩子们在幼儿园的斜坡上滑来滑去。 
 - More examples
 - I can hardly fit my ski suit in my suitcase.
 - She hoped the kids' ski suits would fit them for another season.
 - Victoria wore a designer ski suit and huge sunglasses.