Q36.5 Socks Plus MerinosEssential for those who prefer that full pedal to the metal thin sock feeling all year round, this is an Avant garde ultra light winter sock constructed with superior natural thermic merino wool and silk threads. The sock follows the same lightweight density construction techniques of the Ultralight adapted for use in cooler climate conditions: the addition of silk (scarcely used in cycling socks) to the merino wool increases the thermal properties of