Upper 2 : That part of the protective footwear including but not limited to the toe, vamp, quarter, shaft, collar, and throat, but not including the sole with heel, puncture-resistant device, and insole
NFPA 1976 Standard on Protective Ensemble for Proximity Fire Fighting, 2000 ed. https://www.nfpa.org/assets/files/AboutTheCodes/19 76/TIA1976-00-1.pdf, (Std: Prot Ens for Proximity Fr Fight - Amer) {430 NFC}