The Zulu base layer is constructed out of a polyester and spandex blend that makes it warm, breathable, and the stretch makes it a pleasure to move in.
The Zulu base layer top has a turtleneck collar with fleece lining, for a warm and comfy fit around the neck. The inside is also brushed, for total comfort.
The guy on the picture is wearing size L, and he is 6'1 167lbs (184cm / 76kg)
Our sizing is "normal" compared to other big ski brands, so we recommend choosing your normal size.