The "zero position", close the distance between the center of buoyancy and the center of gravity to the "zero" as possible, it is to make the body "position" to minimize the pressure resistance. You can wear swimwear while the less resistance to learning in a natural way.
* 5 mm, new specifications and stitch = black orders can be accommodated. Please be forewarned.
* Currently busy and orders, deliver standard products will be about 2-3 weeks. Please be forewarned.