The Chamroz boot by Scarpa is a two-season essential boot, ultra-breathable and light, perfect for hard trekking and light alpinism thanks to the Outdry® membrane lamination that keeps the foot always dry. L-Tech and water-resistant Microtech upper, Memory Foam Collar for maximum comfort. The renewed lacing system ensures a custom and very precise fit. The Pentax Precision II XT sole is compatible with semi-automatic crampons. Features Upper: L Tech - Microtech water-resistant Lining: Outdry lamination Insole: Pro-Fiber XT 20 Sole: PENTAX PRECISION II XT Last: NAG Size: 37 - 50 (with ½ sizes) Weight: 770g (½ pair size 42)