Size 11 1/2 Goodfellow & Co Green Canvas Lace Up Men's Tennis Shoes. The solid green canvas upper material is perfect for any occasion, whether it's for travel, activewear, casual wear, or workwear. The shoes come in size 11.5 and feature a synthetic lining material for added comfort. These sneakers are slip-resistant and non-slip, making them perfect for any season - winter, summer, fall, or spring. The cushioned insole provides ultimate comfort and support, while the lace-up closure ensures a secure and customized fit.