Gently pre-owned condition. Women’s Size 11. The Vionic Sierra Active Sneaker for women has a breathable, engineered knit upper and a dual-density outsole. Rubber elements add traction underfoot in this athletic shoe with an unprecedented blend of technical features. Synthetic Rubber sole Flex your fierce side in these sleek sneaks from VIONIC. Stretch textile uppers. Traditional lace-up closure with heel loop. Breathable fabric lining keeps your feet cool and dry. Removable, mesh-covered EVA podiatrist-designed 1st Ray technology that features extra cushioning under toe designed to help push off with every step improving posture and balance. Durable rubber outsole with added traction Color: Black Charcoal.