Lanvin Men's Footwear Size Chart Leather and textile upper Lanvin™ Nylon Bumper Sneakers. Lace closure with pull-tab at the heel. Leather and textile lining. 3D bumper accent at the heel. Lightly padded leather footbed. Textured 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.