External waterproof Velcro storage pocket / heat pack pocket

55-56 Rockwell-C hardness rating

Waterproof membrane seals out water and lets moisture escape

Soft collar lining

Made of heavyweight denim

Girl's Sorel Whitney Short Boot Color:Uniform Blue External waterproof Velcro storage pocketWHITNEY II Short Boot combines style and function with waterproof construction and 200g insulation for ultimate warmth and comfort. UPPER: Available in waterproof nylon or nylon and felt combination. PU coated synthetic overlays. Microfleece lining. Waterproof bootie construction. Heel pull tab. Laces are not waterproof. INSULATION: 200g insulation. FOOTBED: Removable molded PU like EVA footbed, microfleece topcover. MIDSOLE: Rubber. OUTSOLE: Molded