Outer: 100% Nylon / Lining: 100% Polyester This kids trapper hat from Heat Holders has your kids covered, it is designed to keep their heads and ears warm, dry and comfortable. Water Resistant – The shell of this hat is a luxurious nylon fabric which keeps the head dry, keeping snow and Heat Weaver Lining – Heatweaver insulation is a plush fleece thermal lining that maximises the amount of warm air held close to the skin. Chin Strap – This hat is the perfect fit for kids aged 5-10 years old, with fully adjustable chin strap with buckle, it allow for a custom fit and can be used over the head to keep the ear flaps elevated. This hat is available in the colour pink / grey and navy blue. It is one size, fitting size 5-10 years.