All day, everyday.  This one stands up to sweat, sea, shower, and sleep.  Wear it alone or layer it with your favorite necklace.  Featuring genuine turquoise, sapphire, and lapis lazuli, with silver and gold beads.
 
Sterling silver lobster clasp.  Strung on triple-twisted nylon with an 11lb break-weight, this treated cord is mountain-tough.  16" in length.  If you'd like it to be longer or shorter, please leave a note at checkout.