Attractive outdoor socks in a 21 triple pack mix of stripe patterns and plain legs these ladies storm bloc ribbed performance boot socks are part of our new range of functional technical outdoor socks the socks have crew sock style ribbing that runs from ankle to sock tops storm bloc ribbed performance boot socks are made from a blend of natural cotton and performance polyester making the most of cottons strengths while eliminating its weaknesses making the fabric more resilient and quic