They had no reservations.

Perpetual schlump Sen. John Fetterman breezed through the doors of 3-Michelin star Eleven Madison Park for a one-on-one with The Post — despite being dressed for yard work.

Staff at the famed Flatiron eatery where a prix-fixe, 10-course tasting menu runs $365 — welcomed the Pennsylvania ragamuffin into its intimate lounge without a fuss — where he sat for an expansive interview with Post scribe Jon Levine.

Levine last year famously dressed like Fetterman to see if he could crash the city’s finest restaurants — and did so again Wednesday evening.