Reef Fanning Mens Sandals | Bottle Cap Opener Flip Flops For Men 100% Synthetic Nubuck Made in the USA or Imported Rubber sole FANNING MENS SANDALS: REEF's best selling flip flops for men with a bottle cap opener. They are handcrafted with a comfortable footbed and anatomical arch support. BOTTLE CAP OPENER: Church key bottle cap opener integrated into the rubber outsole giving you thirst quenching technology on the go. ARCH SUPPORT: Anatomical arch support flip flops for men. FOOTBED and AIRBAG: Shock absorbing mens sandals with contoured compression molded EVA foam footbed and 360 degree heel airbag enclosed in soft polyurethane. STRAP: Soft and comfortable water-friendly synthetic nubuck upper strap.