Based on men's sizing, please see the size chart.- Omni-Stretch? polyester / spandex lightweight fabric at upper front body - 600D polyester shell with HydrX? coating at knee, lower legs, and back seat - 900D polyester shell with HydrX? coating at instep and hem - 2,000mm / 2,000g/m? waterproof / breathable - Moisture wicking quick dry mesh lining - YKK? front zipper with hook & loop closure - YKK? hand pocket zipper with fleece lining - Hook & loop adjustable waist system - Thermal seat, dry seat and dry knee inserts - Stretch knit inserts at knees and back yoke - front & rear boot lace retention snaps - Rear tether loop attachment system - Fade-free sublimation prints