The Sussex blanket is waterproof and breathable. 450 Denier rip-stop blanket. Heavy duty 240 grams of fiber. Fitted shoulder gusset’s and smooth inside seams. No lumps or bumps to rub off shoulder hair. Velcro closure with double logo buckles to stop sagging so the blanket does not rub the horse at the shoulders. Fleece at withers to prevent rubbing. Double sewn heat sealed seams and rear darts that are sewn down over the hips, not just folded over. Self closing reinforced fitted tail-piece. Removable rear elastic leg straps. Very durable blanket to last for years.