SmartWool Men's Phd&reg; Smartloft Divide Full Zip, Graphite, Large Semi-Form Fit SmartLoft Wool insulated quilted nylon with DWR front panel MerinoMax Double Jersey knit sides and back panel; Merino wool jersey lining on front panel and inside collar Center front zipper with semi-locking logo slider, full draft flap and chin guard Secure angled zip pocket at left chest with logo zipper extension and Durawelt grommet for media cord routing