TrekSta Kobra Walking Shoes - SS17 gore-tex GORE-TEX - Ensuring that the shoe is completely waterproof. BOA - One hand adjustable Lacing system that gives the perfect amount of support and eliminates unwanted pressure points. HYPERGRIP - Making the sole extra durable and giving you extra grip on various terrain. EVA - Extra comfortable cushioning where your foot requires it the most. WEIGHT - 395g