The Q36. 5 Super Termico Socks work a PrimaLoft-Silk thread into a creaseless knit, building warmth into the sock itself rather than relying on bulk. Minimal padding keeps the fit close inside a winter shoe, so the extra warmth doesn't come at the cost of room in the toe box. What Our Gearhead(R) Experts Are Saying:"These are the pair I reach for on the coldest ride of the week, and my feet still aren't cold by the second hour."