Single Fin 7'4" Monday Description: The Chemistry Zen 4

Description: The Chemistry Zen 4 has a step up feel with added paddle power from it’s forward volume

and are designed with new Construction and engineered layup for an enhanced ride

this board offer the looseness of a twin but with great drive from it’s channel bottom

moderate underfoot pressures from normal use

surf SUP's a​nd 2+1 set-ups

Single Fin 7'4" Monday Description: The Chemistry Zen 4Condition: Great condition, a few light deck pressures. One small professional repair on the bottom. A couple of light scuffs scratches to the finish. Description: Single Fin surfboard Shaped by Jeff McCallum. Mccallum surfboards are some of the most sought after in the world.