Sustainable smooth leather slip-ons with horsebit buckles Upper Material: Smooth¶ÿSuede Lining: Leather Sole Type: anti-slip rubber sole Our sustainable, flat smooth leather slip-ons "Close" are modern classics. Their masculine style is iconic and timelessly elegant. This summer, loafers with horsebit buckles are making a comeback. A trouser suit, Bermudas or simply jeans and T-short perfectly emphasise their Brit chic.