Stay warm without sacrificing mobility in the Hot Chillys Micro-Elite XT Tight. This mountain-weight base layer features a wind-resistant stretch fabric with a brushed fleece backing for warmth and comfort. Moisture-wicking technology keeps you dry, while four-way stretch and an active fit allow unrestricted movement whether you're skiing, snowshoeing, or layering for everyday winter activities. UPF 40 protection adds extra versatility outdoors