Insulation: 550 fill goose down

This prevents your foot from absorbing the impact force while simultaneously creating a ventilation system for those hot summer days

The outsole combines cone-shaped and supplemental forefoot studs for excellent traction with rectangular heel studs for maximum surface penetration

The precision engineered new 300i Shaft features the latest in shaft technology and design

Extended Sweetspot Design (ESD)

New Adidas Women's Adizero XC Sprint Running Shoe Black/ Orange/White 8.5 M US 8.5:Black/Orange/White Insulation: 550 fill goose downMesh Synthetic Imported Synthetic sole Shaft measures approximately low top from arch Cross country shoes with spikes for traction on uneven terrain Regular fit; Lace closure; Snug feel Flexible reinforced mesh upper is breathable Flexible Bounce midsole cushioning; Soft textile lining for comfort Rubber outsole with six metal spikes provides secure traction