Outer shell is Polyester 600-D PU coated CORDURA ® fabric. It is windproof, water repelant and has a great tough feel for durability. Lining is Polyester 210-T PU coated which is dyed using only azo-free materials in the production process which is quilted with 100-gm Primasoft ® Insulation, silicon layer and 45-grm Thinsulate which keeps you warm in minus altitudes. Two long 2-way - double slider front zips from neck to ankle. Drawstring on neck for snugness, chest radio pocket and 4 other zipped pockets on complete suit. Adjustable strap system at cuff. Adjustable flaps at ankle. All zippers are YKK