Glerups - Wool Slip-On Rubber Outsole. Color Grey/Black Rubber. On sale for $132.59. MSRP $135.00.. 4.3 out of 5 stars+10Brand NameGlerupsProduct NameWool Slip-On Rubber OutsoleGenderUnisexColorGrey/Black RubberPrice$132.59MSRP: $135.00Rating4Rated 4 stars out of 5(159)