Olang Patty Kids Snow Boots in Anthracite The Olang Patty Kids Snow Boots in Anthracite feature a strong quilted nylon upper. The Olang Patty Kids Snow Boots in Anthracite are Waterproof up to stitch line at the top of the welly sole unit and also features a extra warm sherpa fleece liner with faux fur cuff and lace fastening. All these features make the Olang Patty Kids Snow Boots in Anthracite an excellent choice. The Olang Patty Kids Snow Boots in Anthracite Features: Strong Quilted Nylon Upper, Sherpa Fleece Liner, Please note this boot is not 100% waterproof, water can penetrate the boot at the stitch line at the top of the welly sole unit.