Eureka Synthetic Combo with 600 Denier Outer twice treated waterproof, 220GSM Polyfil body & 200GSM Polyfil 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.