Asolo Drifter Pro Gv Boots - Women's Pervinca/Blue Fog 8. The outsole package is made of a two density Eva midsole: the first density is harder for giving support and stability while the second is softer which assures comfort and cushioning. The Asolo/Vibram Vega 5 outsole has a self cleaning design and it uses the XS Trek compound which gives amazing grip traction and performance on wet and dried terrains. To complete the model a toe rubber cap for additional front protection and the hardware lacing system for a fast and precise lace up. Specifications for Asolo Drifter Pro Gv Boots - Women's: Manufacturer: Asolo Color: Pervinca/Blue Package Contents: Asolo Drifter Pro Gv Boots - Women's Asolo B23137-B244-080: Drifter Pro Gv Boots - Women's Pervinca/Blue Fog