Meeting uniform requirements, the GUARDIAN CSWP is a waterproof, high-performance boot built for traction, marching comfort and durability. Capitalizing on Salomon's knowledge of trail running and hiking, this boot delivers confidence in every situation. ClimaSalomon WaterProof delivers complete weather protection in any environment. WEIGHT 642 g | 22.6 oz (SIZE UK 8.5) SOLE CONSTRUCTION OUTSOLE: ContagripA(R) FD MIDSOLE: EnergyCell UPPER UPPER MATERIAL: Anti-debris Mesh a Non-reflective materials a Single layer Mesh a Suede leather a Waterproof materials UPPER CONSTRUCTION: Closed hooks a Gusseted tongue a SensiFit(TM) LINING LINING MATERIAL: Mesh and textile lining MEMBRANE: ClimaSalomon(TM) Waterproof (CSWP) FIT SOCKLINER: Molded OrthoLiteA(R) LACING SYSTEM: Regular laces ANATOMICAL FIT: Standard fit NORMS AND CERTIFICATIONS& AR 670-1 a Trade Compliant STACK HEIGHT STACK HEIGHT 19mm / 8mm (11mm drop)