the material which is commonly used tom produce the glued water rails

Black - clean

Wetsuit Training (Molchanov)

The Aquatec 1720 - With its compact design and robust construction

C4 Carbon - 0.5 mm Open Heel Socks Accessory size:S the material which is commonlyC4 Carbon 0. 5 mm Open Heel Socks The C4 Carbon 0. 5 mm Open Heel Socks are ultra thin neoprene socks designed for freediving foot pockets. They add a light protective layer between your foot and the fin without significantly changing the fit. Use them when your fins already fit well, but you want less rubbing, fewer pressure points and more comfort during pool training, depth sessions or long open water dives. The 0. 5 mm thickness is the key point: