Designed by Bloch stars and American Ballet Theater principal dancers the Bloch Warm Up Bootie.. Cushioned insole for a comfortable wear. Can be worn to class in between rehearsals and performances or at home to keep feet warm. Polyester upper. Nylon lining and mudguard. Imported. Measurements: Weight: 5 oz Circumference: 12 in Shaft: 9 1 2 in Product measurements were taken using size LG width M.Weight of footwear is based on a single item not a pair.