Icebreaker ZoneKnit Base Layers

Icebreaker ZoneKnit formerly BodyfitZONE Base Layer Collection.  The Seamless Merino Wool Base Layers for all those high adrenalin activities you do when you need some extra warmth along the way. Icebreaker ZoneKnit Merino Wool Base Layers are made in various weights for every activity you do in every weather condition.  125 and 150 ZONE for lightweight changeable conditions.  200 ZONE for when it's cold and 260 ZONE for those extreme situations when you are still active.