This rug features 600 denier ripstop, waterproof breathable outer. It has no polyfill with cotton lining. Double chest straps, front shoulder gusset, cross-over surcingles, leg straps, no back seam (to stop wither stress and leaks!), tailguard and strengthened surcingle guides.

Tip: Try Putting theLightweight 'Torrent' Outdoor Rug Over Your Horses Heavy Winter Rugs In The Field When The Weather Is Really Bad And Wet - This Creates More Insulation And Saves The Heavier Rugs Being Rolled In The Mud And Days Of Drying Off From Heavy Rain- Genius !