100% Polyester with PU membrane 145 gsm fabric weight Light weight trouser. Level 4 Water penetration resistance with 20,000Pa Level 4 breathability with an Ret of 10. 2 Fully taped seams Fully elasticated waist Two hip laminated water resistant zip pockets Two bellowed combat pockets with hook & loop storm flap closure to each leg Lower Leg bellows with laminated water resistant zip