Vionic Women's Tide II Flip Flop Velcro All Super Birki models are

All Super Birki models are certified for professional use in accordance with EN ISO 20347:2012 OB E (SRC category)

The upper consists of soft genuine wool

The uppers are made of soft

This iconic

Vionic Women's Tide II Flip Flop Velcro All Super Birki models areTide II features Vio Motion Support with a fit you've come to love and expect! This iconic, best selling style now features leather trim and an updated tread pattern. Proven to effectively alleviate heel pain.* Soft woven toe post and foam lined strap ensure a comfortable fit. Vionic Technology is biomechanically designed to hug your arches and support your feet in comfort. Vionic sandals' built in orthotic is shown to be effective in helping to treat