6pm.com is proud to offer the Brooks - Green Silence (Black/Kelly Green) - Footwear: Put your best running foot forward and reduce your carbon footprint in style with the Green Silence by Brooks. Help save the planet one mile at a time! ; A lightweight racing flat with an ultrasleek profile for the environmentally conscious, competitive runner. ; Features earth friendly, all non-toxic dyes and water-based adhesives, both which are free of detrimental ingredients. ; Post-consumer recycled (PCR) polyester mesh upper provides optimum breathability. ; Low-VOC (Volatile Organic Compounds) synthetic overlays and Non-VOC suedes. VOC are chemical compounds that are common in both nature and in everyday consumer products, yet may be harmful or toxic. ; Laces, gillies, topcloth and webbing are made from 100% PCR polyester. ; Biodegradable foam collar provides plush comfort. ; PCR polyester sockliner and insole offer supple cushioning and a supportive foundation. ; BioMoGo midsole provides long-lasting cushioning and is also environmentally friendly. A natural, non-toxic ingredient was added to the original MoGo compound to encourage anaerobic microbes to feast away once the shoes are in the landfill, making it biodegradable. ; Compression Molded Process (CMP) is a no-waste midsole manufacturing method in which pellets of material are pressed together into a mold. This system requires fewer steps, less energy and more consistent results. ; Recycled rubber outsole allows for optimal traction on varied surfaces. ; Weight: 8 oz ; Product measurements were taken using size 10. Please note that measurements may vary by size.