What the air does out here
The last store below the crest keeps a rack of loaner sweaters by the door. Take one up, bring one down, no ledger, no names. Outside the air has gone properly cold, pine needles and winter berries riding it, the kind of cold nobody up here ever thought to charge for.
Who rides with it
Underdressed valley drivers. Crest regulars with a favorite loaner they pretend not to have. The storekeeper, who restocks nothing, judges no one, and declines to explain why the rack never runs empty.
Pair it at the next stop
The Ice House at Mile 5 sells winter by the pound, and Fresh Sparkling Snow still keeps that ledger; the crest just has the stuff lying around free. One marker up, the sweater stays on for the holiday at Yuletide Joy, Mile 71, where the cold gets decorated.