Stay warm and stylish this winter with these UGG mens winter boots. Featuring an overturned sheepskin and suede upper with decorative stitches, these boots also come with an EVA midsole and sole for added comfort. The platform height is 4.4 cm. Size guide for UGG women: 5US = 3 UK; 36 EU, 5.5US = 3.5 UK; 36.5 EU, 6US = 4 UK; 37 EU, 6.5US = 4.5 UK; 37.5 EU, 7US = 5 UK; 38 EU, 7.5US = 5.5 UK; 38.5 EU, 8US = 6 UK; 39 EU, 8.5US = 6.5 UK; 39.5 EU, 9US = 7 UK; 40 EU, 9.5US = 7.5 UK; 40.5 EU. Made of 60% Wool, 40% Lyocell, and 100% Polyester..UGGs feel snug at first, but the lining expands with wear. We recommend your usual size.