The Sector™ combines a supple, breathable Synchwire™ upper with a stout carbon-composite plate and an aggressive, dual-injected rubber outsole for excellent traction that won\\\'t de-laminate or break down. A supportive 3D molded footbed with Aegis® anti-microbial treatment enhances comfort and fit, which is adjustable via dual BOA® L6 dials featuring 1 mm adjustment and macro release. It\\\'s a great choice for riders looking for inspired performance that\\\'s capable on the course or off-the-beaten track. Sizing Chart36373839404142UK Size344.55.56.578 CM2323.5242525.52627 434445464748UK Size8.5910111212.5 CM27.5282929.53031 Cycling Shoes Buying Guide UPPER: -One-piece Synchwire™ upper with thermo-bonded exo-structure -Reinforced heel and toe sections -Dual BOA® L6 dial featuring 1mm adjustment and macro release, with steel lace and soft lace guides OUTSOLE: -Carbon-composite 2-bolt plate with dual-injected rubber outsole -Stainless steel hardware FOOTBED: -3D Molded footbed with medium arch support WEIGHT: -342 grams