What item(s) should wrestlers not wear during a weigh-in?

During a weigh-in, wrestlers should ensure they are in a condition that reflects their actual weight, which typically means they should minimize any extra clothing or gear that could add unnecessary weight. Wrestlers are generally allowed to wear their singlet, as this is part of their competition uniform and is considered standard practice. Undergarments may also be permissible, as long as they don't overly contribute to weight.

On the other hand, wearing socks and ear guards is not permitted during weigh-ins because these items can add to the overall weight measurement. The rule is designed to promote fairness and accuracy in weight classes, as even minor additions can have implications for weight classifications, particularly in sports where margin of weight is critical for competition eligibility. Hence, the correct response emphasizes that wrestlers should refrain from wearing socks and ear guards during the weigh-in to ensure an accurate measurement of their weight.