Unlock balance and performance with the FCS M5 Glass Flex Tri Fins. Designed using a moulded composite construction, these fins offer engineered flex and responsive tips for a reliable feel underfoot. The well-rounded template strikes a perfect blend of speed, drive, and manoeuvrability-ideal whether you’re tearing up beach breaks or carving lines on a point break.

Versatile enough for all board types, the M5s suit a wide range of conditions, making them a go-to set for both everyday sessions and surf trips. Compatible with the FCS II Fin System when paired with grub screws and the FCS Infill Kit, they’re a solid all-rounder for surfers chasing performance and control.