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 Plus 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.Tech & Features:- Weight: 285 g/10.1 oz- Engineered mesh upper: Helps improve breathability- GORE-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 outsoleNeutral:- 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.