Specifications:- Upper:Pu+Polyester Textile - Lining:Clima Protect+Fleece - Insole:Eva+Fleece - Midsole:Tpr - Outsole:Tpr - Weight:250 Gr Technology:Vegan Friendly:- Cmp´S Vegan Friendly Footwear Is Made Entirely From Materials That Are Not Of Animal Origin.Pfc Free:- Chemical-Synthetic Substances Are Used In Waterproofing Treatments To Repel Water.They Are Called Pfc - Perfluorocarbons - Compounds That Once Used, Are Difficult To Be Disposed In The Environment And They Are Therefore Polluting And Harmful To Our Health.Over The Years, Through Studies And Research It Has Been Possible To Find A Green Waterproofing System Solution Which Is Totally Pfc Free.With Its Suppliers, Cmp Is Committed To Offer More Pfc Free Products Every Year To Protect The Environment And Preserve Our And Future Generations´ Health.Clima Protect:- Our Exclusive, Waterproof Membrane With Clima Protect Technology Stems From Our Long-Established Sportswear Tradition.This Membrane Includes A Special Thermal Laminate Which Protects The Feet Against Water While Providing Breathability.Its Micro Perforations Are So Minute As To Prevent Water Molecules Entering The Footwear While Allowing Micro Molecules Of Water Vapour To Exude.Thanks To This System, We Ensure Maximum Comfort And Wellbeing For Your Feet During Any Kind Of Outdoors Activity.