Pajar Riley Pac Waterproof Winter Boot Handle the cold elements with confidence wearing these men's Pajar Riley Pac black winter boots. Constructed using synthetic upper, these boots feature round toe front, lace-up closure, warm lining, weather proven Pajar-Tex ALUPROTECT waterproof, impermeable membrane to keep your feet cozy, padded interior for plush comfort and waterproof outsole with lugs to keep you surefooted.