... when you sweat and heat when you're cold.And that's where we leave nature behind.BIONIC is a revolution. Can ... fiber,which is anti-microbial,thermal keeping,and moisture wicking,can absorb sweat very quickly. 2000About Compression Base LayersCompression base layers ... shorts, and t-shirts. Whether you're skiing, climbing, running or cycling, your body is working hard to regulate itself to a constant 98 ...