What is a 4-season duvet?
A 4-season duvet consists of two separate duvets that you can attach with snap buttons or loops: a thin summer part (warmth class 4) and a warmer spring and autumn part (class 3). Combined, they form a class 1 winter duvet.
A 4-season duvet consists of two separate duvets that you can attach with snap buttons or loops: a thin summer part (warmth class 4) and a warmer spring and autumn part (class 3). Combined, they form a class 1 winter duvet.