They are waterproof and very sturdy. Exercising and training dogs at the shelter? No problem. Every time my daughter bent down to pick something up you could hear the velcro coming undone. I normally fit size 11, Amazon delivered size 12 by mistake which fits surprisingly well. Great traction in water, and waterproof too (caveat: there are two small breather holes about 1 1/2" from base of shoe, so shallow waterproof would be better as a descriptor. Transport de kayaks Another great feature is the cord feels sturdy and is super long. No shakes or wobbling up and down at all. Also it should be noted that the garment isnt as hard to get into the more you wear it. I installed a cygolite 1100 with gopro adapter.