Carmel - Not Mount Carmel on the west of the plain of Esdraelon, but the Carmel close to Maon (marginal references).
Shearing his sheep - Which was always a time of open-handed hospitality among flock-masters Genesis 38:12-13; 2 Samuel 13:23-24.
Related Commentaries of 1 Samuel 25:2
1 Samuel 25:2
2 And there was a man in Maon, whose possessionsa were in Carmel; and the man was very great, and he had three thousand sheep, and a thousand goats: and he was shearing his sheep in Carmel.