Hike Crew Socks Size:XL Secures to roof with Thule

Secures to roof with Thule One Key locks (sold separately)

Control light comes on and off regularly to indicate that the temperature is being properly maintained

Preload adjustable from 1 to 5

With ventilated eyelet material on the back

for front and rear shifting

Hike Crew Socks Size:XL Secures to roof with ThuleSupport your feet through all types of trails in our Hike Targeted Cushion Crew Socks. Feel precise cushioning where you need it most, with a 4 Degree elite fit system for a dialed in, performance oriented fit, plus Indestructawool technology for added durability. Breathable mesh zones help keep your feet feeling good, while the comfort welt makes sure these socks never slip in your boots.