Men UK Size 9 = US Size 10 Men (according to the Scarpa website). Flaws = boots have lots of scuffs, but dont have any holes or peeling. Are crampon compatable with toe and heel edges. These Scarpa Omega Mountaineering Ice Climbing Red Plastic Boots are perfect for any climbing enthusiast. Made in the United Kingdom, these boots are designed to provide maximum support and comfort during any climbing adventure. With a durable and reliable construction, these boots are sure to last for many climbing seasons to come. The boots come in a striking red color and are made by the trusted brand SCARPA. They are specifically designed for ice climbing and feature a sturdy sole for optimal traction on icy surfaces. These boots are available in men's UK size 9 and US size 10. They are a great addition to any climbing wardrobe and are sure to provide the support and comfort needed for any climbing challenge.