The fit of the Sirkos Evo is naturally a slimmer fit than some other models

95% recycled polyester

100% recycled polyester rear-quarter mesh

which helps reduce waste and the use of virgin plastics

Vivobarefoot - Tracker Leather AT II - Womens Size:UK 6 The fit of the SirkosThe Tracker Leather AT II is the ultimate barefoot hiking boot, built for all terrain performance with an upgraded leather rand and reinforced double stitching for better durability at key stress points. Its breathable, membrane free design keeps you comfortable while delivering reliable wet weather protection. A new breed of hiking boot crafted to let you move with confidence, connection, and full barefoot feeling. Product Info: ALL TERRAIN OUTSOLE: