The Constrictor Warm SC GTX is the right choice for variable use, both during wet and cold days: it has ample insulation, combined with a waterproof membrane. Thanks to the model and proper lacing, this model is also suitable for use where you need to walk considerable distances - not something to take for granted with insulated winter boots. The heel boasts a groove and extrusion, helping the strap of snow shoe bindings stay put. This boot model was awarded at the ISPO 2024 fair. Complete with aerogel insulation that even NASA trusts, its insulation is not affected by pressure. The Constrictor Warm SC GTX boots feature reflective edginga handy detail for the long, dark season. Inside, a soft fleece lining works together with an integrated Solarcore insulation layer. A solid choice for both frosty outdoor play and everyday winter wear. Like other Viking boots, the outsole is designed for true winter use: the natural and synthetic rubber blend stays flexible in freezing temperatu