C4 Carbon - 400 Footpockets size:42/43 Frenzel-focused training instead of reinforcing

Frenzel-focused training instead of reinforcing Valsalva habits

FEM Design: DYNAMI-TECH blades are optimized trough an accurate Design by means of Finite Element Softwares (FEM)

trousers and top

The shape can be adjusted to your body and with small

yet is smaller and more affordable than a composite freediving monofin

C4 Carbon - 400 Footpockets size:42/43 Frenzel-focused training instead of reinforcingThe new C4 400 Footpocket for Bi fins is made out of thermoplastic rubber and thanks to the innovative design weighs only 390 g. Specifications: Only 390 g weight (size 42 43) Typical ergonomic C4 design Footpocket is 3 angled Also for slim feet You are not sure which footpocket is suitable for you? You can try most of them on request contact us.