The STPNK 58 CBM Amethyst Purple Surfboard is a modern take on the low drag designs Bob Simmons explored in the 1940s.The Cyanide Breath Mints are designed as an exploration of modern day high performance surfing through exercising ideas that Bob Simmons brought to the table. These are low drag surfboards that enjoy waves around the head high range. Surf these about 4 shorter than you would your daily shortboard.