Bluegrass big horn junior kneeshin guardssolid and good looking the joints between the rigid shells make the guards perfectly compatible with efficient pedalling featuresrigid guards rigid polypropylene shells with an articulation between the two shells for full freedom of movementasymmetrical side pads extra grip on the inner side for better frame controlneoprene sock perforated for better breathabilitysilicone gripper built in anti slip silicone insertsno fuss fit no need to take off yo