Utilizing Now In Snow's developed Triple HB Flow System, the back's heat reflection technology, coupled with the wearer's self-generated heat during movement, integrates a three-layer Primaloft technology design to maintain back's air circulation, ensuring dry insulation and poised readiness to tackle harsh environments. Specifications: Fabric: Dermizax™ is a fabric with a highly sophisticated and technical membrane that achieves the highest level of waterproofness, breathability and...