Be prepared for a little workout, you are kayaking in the ocean. I'd recommend a long sleve T. Went out with my wife and 6yr old and had a great time. The whales were out in full force, maybe 20 yards out. Our guide Rabbit was awesome, knowledgable and attentive. He's good at coaching first timers up. After we went to the bay and saw 10+ turtles. It was a great day! I'll do it again.