Boot Height: Approx. 8'' Tall. 1000 Denier Cordura in Sides and Panels in Treated PTFE Coat for Flame Resistance. Aegis Microbe Shield Pervents Bacteria and Fungus Growth the cause Rot and Foot Discomfort. Drainage Vents Move Water Out and Prevents Debris from Entering and Enhancce Breathability. Flash and water-Resistant leather uppers withstand fire hazards and rigors of Sea-to-Land warfare. Leather instep panel. Made in the USA, Berry Compliant. Proprietary High-Walled Vibram Soles with Perforated Airport Cushion Footbeds and PU Midsoles. Wicking Dri-Lex Lining and Stretch Lycra Tongues Hug feet for Secure Fit.