It can be made explicit that the clothes smelled like Esau's clothes. Alternate translation: "he smelled his clothes and they smelled like Esau's clothes, so Isaac blessed him" (See: [[rc://en/ta/man/jit/figs-explicit]])
Here the word "blessed" means that Yahweh has caused good things to happen to the field and it has become fruitful. Alternate translation: "that Yahweh has caused to be very productive" (See: [[rc://en/ta/man/jit/figs-idiom]])