Lining : eather-Tec pant system: 180gr (6.5oz.) High Density Feather Touch polyfill quilted to a top quality nylon lining, special backing for shape retention, with 400gr (14oz.) poly fleece on the knees, seat, and back & double layer Floataid insulation. Functional features : • Slim fit • Adjustable suspenders. • Reflective trim • YKK Zippers • Zippered outer shell pocket lined with heavy duty nylon. • Zippered easy-access drop-seat. • Power Pleated Padded stretch back. • Triple padded articulated knee patches with power pleating. • 2 side zippers with dual storm flaps. • Heavy duty adjustable Inner storm cuffs.