CK Wave Flip Flop Sandals, Diva Blue Vintage style with fun and colourful design Calvin Klein branded straps & inner sole Calvin Klein branded grip tread 100% PVC Our Collection at Boxers and Briefs contain only the Highest quality Calvin Klein Womens Swimwear.  In this range we have our CK Flip Flop Sandals collection. Hit the beach in CK WAVE; freedom and fun define this colourful swimwear collection inspired by 90's surf culture for vintage style. In this range we have the Diva Blue, CK Wave Flip Flop Sandals, which are available in 4 sizes (UK Womens Shoe size 2.5-7.5 / EU Shoe size 35-42).