ZAPATILLAS TIMBERLAND TIMBERLAND SOLAR WAVE MID BOOTS ARE RESPONSIBLY MADE WITH BETTER LEATHER FROM A SUSTAINABLE TANNERY. OTHER ECO-RESPONSIBLE MATERIALS INCLUDE REBOTL FABRIC, WHICH CONTAINS AT LEAST 50% RECYCLED PLASTIC, AND A GREENSTRIDE SOLE MADE FROM 75% RENEWABLE SUGAR CANE AND RESPONSIBLY SOURCED RUBBER. THE COMFORTABLE INSOLE ALSO USES 70% BIO-BASED MATERIALS. IT HAS A CERTIFIED TANNERY SO THAT ONE OR MORE OF THE MAIN COMPONENTS USE AT LEAST 50% LEATHER TANNED IN A SILVER-CERTIFIED FACILITY CERTIFIED BY AN EXTERNAL ENVIRONMENTAL AUDIT. THE LEATHER WORKING GROUP EVALUATES AND CLASSIFIES THESE TANNERIES BASED ON ENERGY CONSUMPTION, WASTE GENERATION AND DISPOSAL AND WATER TREATMENT. TIMBERLAND SPORT