### Instruction:
What are the lightweight weight requirements at the collegiate level in the United States?

### Input:
At the collegiate level in the United States, the lightweight weight requirements can be different depending on competitive season. For fall regattas (typically head races), the lightweight cutoff for men is 165.0 lb. and 135.0 lb. for women. In the spring season (typically sprint races), the lightweight cutoff for men is 160.0 lb., with a boat average of 155.0 lb. for the crew; for women, the lightweight cutoff is 130.0 lb.

### Response:
In the United States, the lightweight weight requirements differ based on the season. In the spring season, the lightweight cutoff for men is 160 pounds with a boat average of 155 pounds. The lightweight cutoff for women is 130 pounds.