black large [rivet reinforcement-double thickening]] black extra large [rivet reinforcement-double thickening]] black oversized [rivet reinforcement-double thickening]] black huge [rivet reinforcement-double thickening]] black big mac [rivet reinforcement-double thickening]] navy blue large [rivet reinforcement-double thickening]] navy blue extra large [rivet reinforcement-double thickening]] navy blue oversized [rivet reinforcement-double thickening]] navy blue huge [rivet reinforcement-double thickening]] navy blue big mac [rivet reinforcement-double thickening]]

rivet upgrade thickened (no rivets)