With a simple, timeless design the 550 ankle boots from Blundstone combine legendary comfort with modern versatility to remain stylish year after year. Built for maximum durability and protection, these practical Chelsea boots will always look smart whether you dress them up or down. 2.5mm thick High quality leather upper. Twin, shape retaining elastic gussets to the side for easy access. Twin-needle reinforced stitching with a high tensile strength thread for durability. Sturdy front and back pull-on tabs. Soft and moisture-wicking leather and synthetic lining. Removable, washable EVA/Poron comfort insole for cushioning.