Additional Protection: There is no additional padding as such

includes 4° and 9° elastomers to tune it to match your bike

water resistant moisture wicking fabric

also includes a spare set of valve cores

SQLab 511 Race SPD Pedals - Black - M +0mm Axle Length PLP|Model Year Additional Protection: There is noThe SQLab 511 Race SPD Pedals are available in four different axle lengths to suit different sized feet and sit bone widths. The longer axle of the SQlab 511 Race clipless pedal allows a physiologically natural foot position and helps to prevent one sided loads. Shorter axles are recommended for small shoe sizes and sit bone widths. Those with larger feet wider sit bones should go for the longer axle options. Axle sizes: Short ( 5mm): EU36 EU39 Medium