The 1000 Mile Tri Sock features the unique properties of Marfil - the lightest yarn available, with the lowest specific weight of any fibre ever conceived. The wicking properties of Marfil mean your feet stay cool and dry.
- Flat Toe Seam - to maximise comfort.
- Arch Bracing - provides a customised fit.
- Top Venting - helps keep your feet cool under pressure.
- Sizes Mens med (6-81/2) lge (9-11) xl (11-13)