MUCK. LWK-900. WOMENS LIBERTY ANKLE LEATHER WATERPROOF BOOT. BROWN. The Liberty collection takes women s functional fashion to a modernized new look by swathing Muck s tradition of comfort and endurance in stylish full-grain leather. The Liberty Leather ankle boot features a neoprene tongue full neoprene lining and ultra-comfortable molded PU footbed to cushion every step. Designed to last it has a rubber rand for durability and an outsole that s rugged without being chunky.