The Q36. 5 Hybrid Socks take the brand's minimal summer-sock construction and rebuild it in merino wool, keeping a thin, direct feel against the pedal while adding real temperature regulation. That combination lets the sock work through cooler rides without the bulk of a heavier winter build. What Our Gearhead(R) Experts Are Saying:"I still feel the pedal the way I do in a summer sock, but my feet aren't cold anymore once the morning air turns cool."