Trekking One Cool Low Socks M ZFHS138 adjustable pins 6 per side Color:tin shale adjustable pins 6 per side body material 6061 T6 aluminum cleats Premium brass cleats with shims included endcap Hex alloy inner bearing type Igus LL glide bearing max rider weight No restriction outer bearing type Enduro MAX cartridge bearing q factor 52mm release angle 15° 20° spindle material Forged scm 435 chromoly steel spring material 300 series stainless steel warranty 5 years weight 419g per pair wing material 17 4PH stainless When paired up with the R Core X pant They combine the comfort and advanced functionality of innovative ZEROCUFF technology with the breathability and lightness of bio based NATEX yarn Hot days will no longer be a problem on your hikes: TREKKING ONE COOL socks are the lightweight version of the revolutionary TREKKING ONE