- Size: 39 • Unisex barefoot shoes, breathable, lightweight, and non-slip. • Ideal for water, fitness, and outdoor activities. • Wide toe box that allows toes to spread and relax. • Natural and barefoot feeling anywhere, even in the office. • Laces with adjustable buckle closure for added comfort. • Zero Drop sole that adapts to foot movement. • Abrasion-resistant rubber sole for better grip. • Perfect for running, walking, cycling, and more.