Lightweight Bounty Hunter Synthetic Rug is ideal for Autumn/Spring Seasons or horses/ponies with woolly winter coats. They are 600 Denier Waterproof Breathable Outer, 100GSM Polyfil body with cotton lined body, satin lined shoulders. tail flap. Wither protector, double NP chest straps, double x -over surcingles with elastic, deep shoulder gussets, removable leg straps and 3 gathered rump darts for a moulded fit.