The Alpha represents exceptional value, using the same high tenacity outer shell materials and waterproof membranes as our high end jackets and jeans. If your looking for a jacket and jean for everyday use the Alpha II cant be beaten. 600d Polyester and 1680d nylon outer Sinaqua waterproof and breathable membrane Fixed 75g heat sealed, quilted lining RST Contour Plus approved armour to knees Scotchlite reflex panels Adjustable waistband Max zips used throughout