Merrell Lady Chameleon Arc 2 Vivid Walking Shoes Combination construction - delivers stability in the heel and flexibility in the forefoot. Nubuck, Pig Suede Leather & Mesh Upper - This soft, comfy and material is designed for super soft comfort. Breathable Mesh Lining - Treated with Aegis antimicrobial solution resists odor. Ortholite anatomical footbed - Combines a specific ortholite foam and Air cushioning to help improve comfort and fit. Compression moulded EVA footframe - for cushioning under the foot.