Sorel WOMEN'S TIVOLI™ IV BOOT Size 11 Take on the cold in style wearing this pair. The Tivoli™ IV Boot rocks durable water- and wind-proof construction with advanced OutDry™ technology, 100g insulation for reliable winter-long warmth, and flexible molded rubber outsole for excellent traction. UPPER: Available in waterproof suede and PU coated leather with faux fur collar or waterproof canvas with PU coated leather with faux shearling. Microfleece lining. Waterproof seam-sealed construction. Laces are not waterproof. INSULATION: 100g synthetic insulation. FOOTBED: Die cut PU like EVA footbed, microfleece top cover. MIDSOLE: Rubber. OUTSOLE: Molded rubber. HEEL HEIGHT: 1 1/4 in. PLATFORM HEIGHT: 3/4 in. SHAFT HEIGHT: 5 3/4 in. LACE LENGTH: 31 in. Please note: Laces and zippers incorporated in SOREL footwear are not waterproof. Measurements based on size 9.