Built in stretch for ultimate comfort; Agion Active X2 anti-odor and antimicrobial technologies to provide the ultimate protection against human odors; DWR durable water resistant treated for added water resistant protection; Magnattach chest pocket; YKK Vislon main zipper opening with inner storm flap for added protection; YKK zipper opening waist pockets; Easy access inner stash pocket; Windproof ultra warm and high performance 16.8oz / 570 GSM wool blend softshell material is an innovative 3 Layer material with waterproof TPU lamination; 5oz / 165 GSM stretch overlay abrasion resistant reinforcement material for added durability