Lanvin Men's Footwear Size Chart The Lanvin™ Leather Bumper Sneaker features a lace-up closure, ankle pull-tab, and unique rear side bumpers. Leather upper. Leather and textile lining and insole. Speckled synthetic outsole. Made in Portugal. 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.