- Lace-up sneakers - Handcrafted in Portugal - Pull-Up leather exterior (tannery: Italy) - Pull-Up leather inserts (tannery: Spain) - Leather lining - Removable insole - Rubber sole with side stitching - Ultra-resistant waxed cotton laces - Assembled using the Strobel construction Pull-Up is a top-quality leather with magnificent color variations. The color of this leather lightens when stretched. So, from the very first wear, the color nuances will evolve to give your shoes a unique look. Caution: we strongly advise against applying cleansing milk to this leather, as it may cause the color nuances to fade.