Vassalli Slim Straight Leg Corduroy Pull On PantVassalli make "Jeans that Fit"! One of our most popular pant designs at Impulse are Vassalli's pull on slim straight pants. This style is a fine velvet corduroy and features a pull on waist with flat front and rear jean pockets, full length and slim leg. A note on the colours black, midnight, forest and navy : these are all very dark, quite simliar colours. Forest is deep, dark green, almost black. Midnight is a very dark blue which is almost black.