3 adjectives to describe oilskin

Ponderous lorries rumbled across a bridge, indistinct figures moved and shouted on the pierhead, and men in wet oilskins splashed about Terrier's deck.

Then Ken went forward, to find his father, wearing a rough black oilskin, combining the duties of look-out and skipper.

Her arms held fast, Sofia was partly led and partly dragged down the hall, Victor herding the group on past the staircase and into a bare room at the back of the house, where a solitary lamp burning on a deal table discovered for all other furnishing broken chairs, coils of tarred rope, a rack of ponderous oars and boat-hooks, a display of shapeless oilskins and sou'westers on pegs.

3 adjectives to describe  oilskin