The cure for cold feet. Great for those with swollen ankles and poor circulation, Polartec fleece offers weightless warmth without pilling or shrinking. Outside seams help prevent irritation. Large, non-elastic cuffs for eas on/off. Breathable with superior odor-resistance. Non-skid bottoms. Machine wash and dry. USA. Specify by shoe size: Small (Women's 5-7 or Men's 4-6), Medium (Women's 7-10 or Men's 6-9) or Large (Women's 10-13 or Men's 9-12).