Khombu Mens Jonathon Leather Stay ready and comfortable as you trek outdoors in chilly weather with the Khombu&reg; Jonathon boot. Waterproof leather upper. Traditional lace-up system for a secure fit. Synthetic lining provides added breathability. Cushioned insole provides all-day comfort. Durable rubber outsole offers excellent traction. Imported. Measurements: Weight: 1 lb 5 oz Shaft: 4 1&frasl;2 in Product measurements were taken using size 12, width D - Medium. Please note that measurements may vary by size.