Sidi Eagle 10 Mega Mtb Shoes In Green/Black. They Incorporate The Following Technologies:- Ecological Microfiber Microtech Material: Provides The Shoe With Resistance, Stability, Lightness, Breathability And Waterproofing.- Soft Instep Closure System Top Closure System (Wide Adjustable Strap On Both Sides).- Tecno-3 Bottom Closure System With Dyneema? Cables: Guarantees Precise Micrometric Closure/Docking.- Reinforced Heel That Keeps The Foot In An Optimal Position And Prevents The Shoe From Deforming Due To Extreme Performance Or Prolonged Pressure.- Mtb Rs17 Sole: Made Of Nylon With Polyurethane Inserts. With Replaceable Non-Slip Studs.- Mega Sole That Generates Greater Volume For People Who Have Wider Feet (4 Mm Wide Throughout The Sole Compared To The Non-Mega Model).