Lanvin Men's Footwear Size Chart The leather and textile Lanvin™ Curb Skate Sneaker features thick laces, tongue pull-tab, and padded collar. Round-toe silhouette. Leather and textile lining and insole. Synthetic outsole. Imported. This item may ship with an attached security tag. Merchandise returned without the original security tag attached or a damaged tag may not qualify for a refund. Weight of footwear is based on a single item, not a pair.