Package Dimensions: 27.2 x 21.4 x 2 cm; 120 Grams Date First Available: 13 Nov. 2013 Manufacturer reference: PTJB1 ASIN: B00GNJ7U3C Department: Men"s 100% Silk Long Johns Perfect for a layer of silk warmth under trousers Simply the last word in cold weather comfort Practical with soft waistband and gentle anke ribbing to ensure warmth Machine washable at 30 degrees