Comfortable and natural, the Lightweight Merino Wool BUFF Hat is 100% quality sourced wool and ideal for outdoor activities such as trekking, hiking or climbing. It's fineness and lightness (just 35g) means that the Merino Wool BUFF Hat can be easily bundled into a pocket when not in use, without undue bulk.Merino wool is known for its superior insulating, wicking and anti-microbial properties. The Lightweight Merino Wool BUFF Hat Is produced with care, eco-friendly and from renewable resources that follow a respectful animal process, minimising the effect in the ecosystem. The Lightweight Merino Wool BUFF Hat is a mulesing free product.