superb quality and temperature protection
"Superb quality undergarment which assists my body's temperature regulation. Fully-breathable undergarment, that provides real protection against cold but is adaptive in changing temp situations, and prevents overheating, The merino weave is snug as underwear, does not grab at overgarments, and remain flexible in all conditions. Fantastic for people with skin sensitivities/allergies and who overheat from acrylic fibers."