When your operation takes you into the most rugged terrain, the QUEST 4D GTXA(R) FORCES 2 gives you the support and grip of a mountain boot, but still has the flexibility to take a knee or sprint to the target in tough conditions. MADE IN Trade Compliant USA WEIGHT 674 g | 23.8 oz (SIZE UK 8.5) SOLE CONSTRUCTION OUTSOLE: ContagripA(R) MD MIDSOLE: Dual density midsole a EnergyCell CHASSIS: 4D Advanced Chassis(TM) UPPER UPPER MATERIAL: Anti-debris Mesh a Full grain leather a Medial protective pad a Non-reflective materials a Protective mudguard a Single layer Mesh a Waterproof materials UPPER CONSTRUCTION: Closed hooks a Gusseted tongue a Protective toecap a SensiFit(TM) LINING LINING MATERIAL: Mesh and textile lining MEMBRANE: GORE-TEXA(R) FIT SOCKLINER: Molded OrthoLiteA(R) LACING SYSTEM: Lace locker a Regular laces ANATOMICAL FIT: Standard fit NORMS AND CERTIFICATIONS ISO 20347 a ISO 20344:2011, 5.11.1 6 - Slip resistance requirement (GRIP) ISO 20344:2011, 5.8.2 - Antipuncture / Penetration resistance ISO 20344:2011, 5.10 - Antistatic footwear STACK HEIGHT 29mm / 17mm (12mm drop)