The Ronhill Tech Merino 1/2 Zip is expertly designed with winter in mind, making it the ideal base layer to pair with your jacket for optimal warmth and comfort. Crafted from premium Merino wool, this zip features a cruelty-free, natural fibre that provides exceptional temperature regulation and breathability. The natural properties of Merino wool offer excellent insulation by trapping heat while also effectively wicking moisture away from the skin, keeping you dry and comfortable in cold weather. Perfect for layering under your jacket, the Merino Zip combines warmth, breathability, and ethical sourcing, making it a superior choice for winter activities.