MK3 Thermal Sock Size:8/9 Reduced Strain Why strain your

Reduced Strain Why strain your foot with unnecessary bending when the fin can do the dirty work

Directs the air flow evenly during the inhalation phase

tight-weave fabric

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MK3 Thermal Sock Size:8/9 Reduced Strain Why strain yourWe took our inspiration for these socks from the military, whose regular dives in Arctic waters necessitate warm socks under drysuit boots. Three layers of specialized materials keep your feet warm in the harshest conditions. Part of our Glacier Series undergarment line. Features Polar FleeceLiner Lined with a breathable, high loft material that wicks moisture from your feet PrimaLoft Mid Layer Sandwiched between the fleece and nylon is PrimaLoft, an