Lightfeet's most PROTECTIVE and CUSHIONED mid-weight sock.  The Evolution keeps your feet COOL, DRY and BLISTER FREE.  It’s outrageously comfortable too. – Sports Podiatrist designed for exceptional padded comfort – Ultimate Blister Protection – FormFit™  individually contours to your left and right feet – Seamless Toe Construction stops toe chafing – Keep cool, dry and fresh with Coolmax® and X-Static® yarns – Optimum support with anatomical design