Gear Review: C4 Zero and DYN Part 1. Review Criteria & Specs

In this first video of our Test Lab series, we learn how to evaluate the features of freediving socks, which are essential to ensure kicking performance. We go over the features of the C4 Zero and C4 DYN socks. In Part 2, we present the full test. C4 Dyn Socks: https://c4-usa.com/index.php?route=pr... C4 Zero Socks: https://c4-usa.com/index.php?route=pr... C4 Global Website: http://www.c4carbon.com