1. Plaiting yarn is the backing yarn with elasticity. We want to have test samples with white plaiting and others with black plaiting 2. Nylon reinforcement in heel and toe is great. 3. Cushion is terry. That area feels like pattern yarn. Is it poly BODY yarn? 4. Polytam is a type of soft polyester. Please send 6-12 pairs white blank polytam for test printing. 5. Have you tried heavier weights than 32s and 70D? Heavier through Terry section?