Cork, wicker, rope, it seems every platform, sole and heel of a shoe nowadays has been touched by the "natural three" of late. Well, they'd better make room for a fourth, because Sea Grass is on its way. Sounds like the name of a racehorse, but it's actually the fabric of choice for these Stella McCartney wedge thong sandals. Very eco-chic, but as an entire shoe? I'm not convinced. If, however, they're just your style, they're available at ...