Kids Iron Knee Insulated Winter Snow Bib size Large 10-12 NWOT Water-resistant, wind-resistant shell 120 gram insulation Reinforced with Iron Knees and Seat: interior fabric patches that are invisible from the outside, soft on the inside and help prevent holey knees and seats so they can wear again and again! Elastic snow gaiters inside block out cold and snow Adjustable shoulder straps with D-ring and slider Zip-front Elastic armholes and back waist 100% polyester. Machine wash.