Buy on Amazon.co.uk : http://www.amazon.co.uk/gp/product/B00HCEP8P4?tag=animalisimo04-21
Smartwool Women's PHD Outdoor Ultra Light Crew Socks - Dark Spearmint Small (2 - 4.5)
4 degree elite fit system
Patented reliawool technology
Mesh ventilation zones
Padded achilles tab offers additional protection
Stays in place and offers a light cushion for all-day performance