The Winter+ insoles fro Sidas are made to provide the optimum comfort whilst snowboarding or skiing. It supports the foot in a way that helps prevent overheating and fatigue.
These Sidas soles incorporate their Flashfit™ technology which lets you customize the fit to your foot via heat-molding.
Sidas has a focus on helping us all save the environment. So they try to incorporate recycling where possible. This is true to these soles as well.