“These Fourth Element socks are excellent for wearing under your wetsuit or drysuit boots. They work equally well wet or dry in providing additional insulation without adding much bulk or any additional buoyancy. I have been using these in the North Sea for the last couple of months, which has dropped down to 9 degrees celsius and my feet are fine and toasty by the end of my dive. Build quality is the usual Fourth Element excellence, well made, brilliant materials and attention to detail. These weigh nothing and are a worthy addition to your kite bag.”