Probe 5mm. iDry socks are comfy, thick socks that will keep your feet warm in temperate and colder waters. Best of all, they dry so fast you'll have dry socks again when you enter the water for your next dive!

Just turn your socks inside out after you've used them on your dive and they will dry super quick. The have a great fit and some protective prints on the soles to make it easier to walk on wet surfaces.

The following size chart is provided as a guide only.

• S - fits mens AUST/UK shoe size 4 - 6  or  EURO 35.5 - 38
• M - fits mens AUST/UK shoe size 6 - 9  or  EURO 38 - 42
• L - fits mens AUST/UK shoe size  9 - 12  or  EURO 42 - 46
• XL - fits mens AUST/UK shoe size 12  or  EURO 46