Originally Designed As A Summer Hiking Boot For Desert Climates, As The World Has Changed, This Model Has Become The Go-To Boot For Armed Forces And Professionals Who Serve In Warm Climates. Sturdy, Stable, And All Day Long Comfortable. Uppers:split Leather And Cordura.lining: Quick-Dry, Breathable Fabric, With Climate Control Footbed.midsole: Pu With Monowrap Construction For Comfort And Stability.outsole:cross.stabilizer: 3/4 Length Nylon.