About the Sorel 1964 Pac Strap The 1964 Pac Strap children's winter boot is a functional and versatile snow boot perfect for wintry conditions. With a completely waterproof suede leather upper, a Sherpa Pile snow cuff and a felt liner capable of keeping kids' feet warm down to -32° Celsius, this boot is perfect for playing in the snow all day long! The 1964 Pac Strap boots are perfect for little ones, with two easy to use velcro straps for added convenience. The Herringbone outsole of the boot enhances traction in snowy conditions whilst the inner boot is removable and washable, meaning these boots have all the versatility and durability needed in a Kids shoe. 1964 Pac Strap Kid's Snow Boots