Running shoe with superior comfort and studded traction on all winter roads. Product Information BUGrip® outsole with 13 dynamic steel studs Waterproof GORE-TEX® membrane Full cushion and high comfort SuperC Foam™, Nitrogen infused EVA midsole Arcus 2 BUGrip GTX can withstand tough weather thanks to the waterproof GORE-TEX® ePE Invisible membrane. The membrane is integrated with the upper material, making it even softer and more comfortable than a traditional membrane bootie construction. We've equipped the Arcus 2 with our nitrogen-infused SuperC Foam™ midsole, providing an incredibly comfortable running experience that lasts over time. The sole is very light and designed to reduce pressure on the forefoot and heel while driving you forward, resulting in a smooth stride. Our latest midsole technology gives great comfort on longer runs while providing high responsiveness in every step. The BUGrip® outsole has thirteen dynamic studs that provide reliable traction on all winter surfaces. Sustainability Footprint 6% bio-based materials 10 kg CO2 eqv. per pair 17% recycled materials Materials GORE-TEX® ePE membrane is PFC free and has reduced carbon footprint. The GORE-TEX® lining is bluesign® certified and meets the STANDARD 100 by OEKO-TEX®. SuperC Foam™ midsole technology uses less chemicals than normal EVA midsoles. Details Drop 6 mm Studs With studs Lining GORE-TEX® Invisible Fit, with Oeko-Tex 100 lining Terrain Mixed trail, Road, Off trail Outersole Rubber with BUGrip® carbide steel tip studs Upper Part Bluesign® PET polyester, 100% recycled and GRS certified Weight 315 g Last Wide Activity Running, Winter running, Trail running Torsion Medium flex Cushioning Full Size Guide Please note that these are guides only. The cm and inches length is the length of the innersole. CM Inches US Women EU UK 22 8.7 L5.5 36 3 22.5 8.9 L6 36.5 3.5 23 9.1 L6.5 37 4 23.5 9.3 L7 37.5 4.5 24 9.4 L7.5 38 5 24.5 9.6 L8 39 5.5 25 9.8 L8.5 40 6 25.5 10.0 L9 40.5 6.5 26 10.2 L9.5 41 7 26.5 10.4 L10 41.5 7.5 27 10.6 L10.5 42 8 27.5 10.8 L11 42.5 8.5 28 11.0 L11.5 43 9