The GEL-SONOMA 8 GTX shoe is designed for the great outdoors. It´s a durable trail model that´s made to provide good grip on off-road surfaces.With a GORE-TEX upper construction, this shoe helps prevent rain and snow from entering the shoe's interior. It´s also functional for improving the shoe´s fit and making it more breathable.Underfoot comfort stems from a full-length AMPLIFOAM+ midsole and GEL technology unit that´s strategically placed where cushioning is needed.Lastly, the trail-specific outsole is functional for providing advanced traction. Its pattern helps you experience a confident stride on the uphill and downhill sections of challenging terrain.The shoe is equipped with the GORE-TEX Product Technology, which adds durably waterproof, windproof, breathable protection in combination with a long product life.Pronation:Neutral:- Foot Type: Normal size arches- Push Off: There is even distribution from the front of the foot.- How your foot contacts the ground: The foot lands on outside of the heel, then rolls inward (pronates) to absorb shock and support body weight.Underpronation:- Foot Type: High arches- Push Off: The pressure is on smaller toes on outside of foot.- How your foot contacts the ground: The outer side of the heel hits the ground at an increased angle with little or no normal pronation, causing a large transmission of shock through the lower leg.Features:Engineered mesh upper:- Helps improve breathabilityGORE-TEX construction:- Helps prevent rain and snow from entering the shoe´s interior- The sockliner is produced with the solution dyeing process that reduces water usage by approximately 33% and carbon emissions by approximately 45% compared to the conventional dyeing technology- AMPLIFOAM PLUS technology- Cushioning helps create a soft and flexible feeling underfoot: Rearfoot GEL technology- Improves impact absorption and creates a softer feeling at footstrike: Solid rubber outsoleSpecifications:- Weight: 325 g/11.5 oz- Surface: Trail