Hypto Krypto Twin 5'4" Thunderbolt This fin is a classic

This fin is a classic

The bottom begins with a slightly rolled entry that flows into a shallow single concave

Condition: Good condition - moderate-heavy underfoot deck pressures

The Techflex construction and flat foil give this fin a stable feel

or polypropylene plastics

Hypto Krypto Twin 5'4" Thunderbolt This fin is a classicCondition: Excellent condition with some mild deck pressures at the tail of the board Description: The Hypto Krypto Twin is a performance keel fin design, with versatility and forgiveness allowing ease of transition from your other boards to this shape. It features a slightly tighter swallow tail and fins set further back to set the tail into the wave and bring control and smooth rail to rail transition. It feels and rides very similar to the Hypto