Premium technology for prolonged assaults over rugged terrain When your operation takes you into the most rugged terrain, the QUEST 4D GORE-TEX FORCES 2 gives you the support and grip of a mountain boot, but still has the flexibility to take a knee or sprint to position in tough conditions. Reinforced Durability Every component gets reinforcement, from the stitching to the mesh to the laces to the outsole. Advanced Stability Salomon's 4D Advanced Chassis guides the foot even on the roughest terrain, reducing fatigue for all-trek comfort. Precise Fit Developed through experience in trail running, SensiFit wraps around the foot from the midsole to the lacing system, ensuring a secur, snug and customized fit. SPECIFICATIONS Height : High Lacing system : Regular laces Waterproofness : GORE-TEX Techno : GORE-TEX Drop (in mm) : 12 Inlay sole : Textile Lining : Textile Heel stack height (mm) : 38 Forefoot stack height (mm) : 26 Outsole : Rubber Upper : Leather Weight (g) : 665 Primary Practice : Forces Fabrics OUTSOLE The outside sole of a shoe that contacts the ground. All Terrain Contagrip® MIDSOLE A layer of material between the inner and outer soles of a shoe that provides cushioning, shock absorption, and comfort. Dual density midsole EnergyCell CHASSIS A molded plastic piece sandwiched into the bottom unit, varying in shape to provide the desired degree of stability. 4D Advanced Chassis™ UPPER MATERIAL The term upper refers to the part or parts of a shoe that covers the toes, the top of the foot, the sides of the foot, and the back of the heel. Anti-debris Mesh Non-reflective materials Nubuck leather Single layer mesh Water Repellent LINING MATERIAL A layer inside the the upper part of the shoe for added comfort or insulation. Textile lining UPPER CONSTRUCTION How the upper of the shoe is built, and with which specific features. Closed hooks Gusseted tongue Lace pocket Protective toecap SensiFit™ Protective mudguard Medial protective pad SOCKLINER System to adjust and secure the foothold of the shoe. Molded OrthoLite® sockliner LACING SYSTEM System to adjust a secure and tight foothold. Lace locker Regular laces MEMBRANE A continuous layer within the upper that protects from external weather, and offers quick-drying and moisture management. GORE-TEX NORMS AND CERTIFICATIONS ISO 20344:2011 ISO 2419:2012 Trade compliance US Trade compliance EU