Features: Seamless upper offers exceptional comfort and avoids hot spots by adapting to your unique foot shape Traditional lace closure for a precise fit and all-day comfort Lace lock provides a safe place to stash your laces to keep them free of your drivetrain 1:1(R) Composite Power Plate with carbon fiber forefoot insert provides lightweight stiffness and durability (stiffness rating 8) Plate features Direct-Vent technology for cooling and drainage 3-bolt SPD-SL and 2-bolt SPD compatible Weight: 227 grams / 8 oz. (size 40)