Endura BaaBaa Merino Stripe SockThe Endura BaaBaa Merino Stripe Socks are technical cycling socks that feature a Merino wool blended fabric for warmth, moisture wicking and quick-drying properties. Stretch arch support adds support under the middle of your foot and an extra-long cuff adds additional warmth. FeaturesMerino wool blend warmth, moisture-wicking and quick-drying propertiesStretch arch support Long cuff Size ChartSizeSmall/ MediumLarge/ Extra LargeUS Shoe Size5. 5-99. 5-13EU Shoe Size37-4242. 5-47UK Shoe Size5-8. 59-12. 5 | Endura | BaaBaa Merino Stripe Sock Men's | Size Large/Extra Large in Blueberry