Combat is tough enough without having the distraction of being too cold or hot depending on the climate so you need base layers that will keep your body temperature regulated and your skin dry at the same time which is exactly what you'll find with the range from X-Bionic. Specifically engineered using the pinnacle of design and fabric technology and artificially recreating how different species have adapted to climate conditions through moisture wicking, breathable and insulation to maintain a regulated body temperature the X-Bionic Combat Base Layers will do the same for you. The range of X-Bionic Base Layers and X-Bionic Base Layer Tops is available here at Nightgear.co.uk for the cheapest online UK prices so you can stay warm, cool and dry when you need to most.