Boot Height: Approx. 8'' Tall. 1,000 Denier Cordura in Sides and Panels in Treated PTFE Coat for Flame Resistance. Drainage Vents Move Water Out and Prevent Debris from Enteriing and Enhance Breathability. Flash and water-Resistant leather uppers withstand fire hazards and rigors of Sea-to-Land warfare. Made in the USA, Berry Compliant. Proprietary high-walled Vibram soles are stitched to the upper. Wicking Dri-Lex Lining and Stretch Lycra Tongues Hug feet for Secure Fit. Wicking Dri-Lex lining with Aegis Microbe Shield.