Altra - Women's Paradigm 8 - Black/White Firm Merino wool naturally regulates temperature

Merino wool naturally regulates temperature for all-season comfort

Recommended for low to average arch feet

The Blue Footbed is therefore ideal for anyone who would like to enjoy the unique comfort of Birkenstock in enclosed shoes made by other brands

For sporty shoes

Altra - Women's Paradigm 8 - Black/White Firm Merino wool naturally regulates temperatureDescription Its a supportive shoe disguised as a sleek road runner. And its here to help guide your feet in a straight line while delivering efficient, lightweight strides. We updated the Altra EGO MAX midsole compound, for a more cushioned yet lightweight underfoot feel. GuideRail technology encourages natural foot placement with gentle guidance on the medial side, but only when its needed. A redesigned engineered mesh upper and ghillie lacing system