Please answer the following question by reasoning step-by-step.
What do you need to wear when hiking?\nOptions:\n- cast iron stomach\n- physical exertion\n- shin splints\n- adventure\n- fatigue

shin splints
Wearing Shin splints protects legs from causing acute pain in the shin and lower leg caused by prolonged running, typically on hard surfaces.

Shin splints protects our leg muscles from getting stretched.

.

The final answer: shin splints