The XTM Merino Thermals are the perfect all round base layer, no matter your activity or climate. The natural properties of merino wool provide un-paralleled quality when it comes to staying warm, keeping cool, repelling body odour, or breathability.Its silky smooth texture and sleek design offers a fashionable look allowing it to be worn as a top on its own, without that “underwear” look. The natural odour repelling properties of the XTM Merino Thermal Pants allows you to get extended use between washes if required. Great if you are on the road without access to laundry facilities. Designed for all types of exercise, hiking, climbing, general leisure, running, cycling, rowing, snow sports.When exercising in hot climates the body produces a huge amount of heat molecules. With normal synthetics, these molecules build up in the layer between the skin and garment causing you to overheat. With merino however the super fine fibres of the wool trap the heat molecules and allow them to build up within the garment itself. Once the garment reaches its maximum capacity of heat molecules it starts to release them into the atmosphere, thus cooling the body to a comfortable temperature. With synthetic fabrics the warm interior is often overcome by the excessive cold exterior. This is because they are poor insulators. Merino wool however is recognised to be one of the world’s greatest insulating fabrics. The layers of super fine strands trap the expelled body warmth within the garment and block the cold air from penetrating. This keeps the heat molecules secure thus warming the body to a comfortable temperature,XTM Merino has amazing breathable/moisture control properties. The sweat produced during exercise is quickly absorbed into the merino fabric. From there it is broken down and transferred to the outer layer of the garment where it is released into the atmosphere as vapour. There are a number of benefits to this rapid removal of moisture.Each fibre has a natural anti bacterial coating which attracts these bad bacteria and odour molecules and locks them deep down into the garment.