Eureka Synthetic Combo with 600 Denier Outer twice treated waterproof, 220GSM Polyfill body & 200GSM polyfill neck with cotton lined body, anti rub synthetic satin in shoulders. Combo neck & tail flap. Double NP chest straps, double x-over surcingles with elastic, 2 secure velcro combo neck fittings, deep shoulder gussets, removable leg straps and 3 gathered rump darts for a moulded fit.