When kayaking or canoeing in warm weather try water sandals. I have a pair of Air Nikes, they are comfortable to walk in and being all sythetic (spl) dry fairly quickly when wet, stay on your feet when you get into the water, have an anti-slip sole and neoprene on the contact points with the foot so you don't get blisters when wet. There are many other companies that make water sandals just make sure you find them comfortable to walk in, dry fairly quickly when wet, strap tight enough ( must have heel back strap) to STAY ON when wading or standing in running water and have an anti-slip type sole. I like a sandal with a cupped footbed so your feet don't slide around when wet. In cold weather zip up dive booties work great for kayaking and in a canoe try "rubber duckies", low cut with rubber bottoms and leather tops that lace up (I have a pair of L.L. Beans) with a wool sock (keeps warm even if you get them wet) Don't ever,ever wear cheap flip flops around water. It's not a matter of when you will slip and bust your ass but how bad you will hurt yourself when you do! Weldonk