Mountain hardwear chockstone softshell jacket mens the mountain hardwear chockstone softshell jacket is a lightweight construction that is wind resistant and has a upf 50 its soft shell fabric is abrasion resistant and air permeable this jacket features a hood as well as a full length zip fastening and two zipped pockets mountain hard wear branding is featured on the front to complete the look jacket lightweight wind resistant abrasion resistant air permeable upf