Giselle's details will have you ready to move. Made with a transparent, technical mesh for versatility and comfort in every step. Vionic footwear is stylish and comfortable and incorporates a podiatrist designed biomechanical footbed. Features & Benefits of the Vionic Giselle Women's Comfort Sneaker Upper: Textile. Footbed: Dual Density EVA. Outsole: Durable Rubber. Heel Height: 1.5". Vio-Motion Support is an innovative approach to foot health: Vionic conceals biomechanical technology into each shoe. All-day comfort is a difference you can feel. Deep heel cup provides essential stability. Contoured orthotic footbed for addictive support Vio-Motion Support is designed to provide you with proper alignment, which can help reduce common aches and pains by aligning you from the ground up.