Swimwear on the Dunes, Vogue

Four models seated in the sand in California, with their backs to the camera, wearing bathing suits and bathing caps. The suits include, from the closest to the farthest:
1) Orange-and-yellow shirred Milliken wool challis halter-top, by Cole of California.
2) Criss-cross strapped elasticized nylon suit in pastel stripes, by Mabs.
3) Straight-strapped blue/green/white seersucker, with Lastex yarn, by Caltex.
4) Bright yellow nylon grenadine with Lastex yarn, by Catalina.