After just one barefooted shower at the local YMCA, I decided that I'd be wise to come up with some shower slides. The funny thing is, they're awfully hard to find in the stores, especially in mid-winter. I picked up a pair of Under Armour Strike Grid Slides at the local Dick's Sporting Goods on a slight sale, mostly because they were about the only ones I could find in my size.
They're slip-ons that, unlike many such sandals, don't have a Velcro closure on the instep. That's no big deal, since I rarely wear them for distances of more than a few feet. Mine are blck with a black and gray UA logo; the current season's version is steel gray with a black and gray logo with bright green trim -- but they're the same shoes. They are all man-made materials; with thick, molded bottoms that have a non-skid sole and footbed.
The reason I'm not completely enamored of them is that they have a foam cushion on the underside of the strap. While this might make them marginally more comfortable if worn all day (though probably not, since there's a ridge-like seam on both sides), the foam holds water. As a result, they're "squishy" when used in the shower and would certainly do the same thing if used on the beach. If I don't squeeze them dry before putting them back in the gym bag, two days later they're still wet.
They're comfortable enough to wear slopping around the mall or schlepping from class to class, but I don't think they're cut out to be shower shoes. Consequently, three stars.