If your size is not in stock, contact us at [email protected] to see the availability. SIZING CHART The latest and most innovative version of our best-selling, lightweight ice and mixed climbing boot, the updated Phantom Tech features the same warm, sensitive performance on highly technical winter objectives, with a redesigned offset zip closure, slimmed-down sole and a new HDry® direct-attach waterproof breathable membrane. Automatic and semi-automatic crampon compatible Vibram® Precision Tech Roll sole increases walking efficiency Carbon fibre insole board with Aerogel® provides lightweight support and warmth Waterproof zipper and integrated gaiter for all conditions Sole provides traction and ultra-light, shock-absorbing insulation Single motion quick-lace system GAITER MATERIALS Laminated with water repellent H-Dry® membrane to guarantee the maximum waterproof performance. S-Tech Shoeller elastic fabric + PU Tek to ensure the best strenght. LACING Outer closure: Waterproof zip. Internal closure: Fast lock system a quick closing system divide into two parts. Pull-tabs progressively wrap the foot and allows a quick sliding of the string. The slider closes and divides the tensioning zones into two parts. The ankle is wrap but the foot is free to move. SIZE OPTIONS:38 - 47 (half sizes); 48 (whole size) WEIGHT REFERENCE:730g; 1lb 9.6oz (1/2 pair size 42) UPPER:PU Tek & S-Tech Fabric with HDry® waterproof direct lamination membrane LINING:Primaloft® Silver MIDSOLE:2D PU OUTSOLE:Vibram® Precision Tech Roll / Mont INSOLE:Carbon Fiber + EVA + Aerogel® LAST:ARC RAND:Full INSULATION:Yes PRIMARY MATERIAL:Synthetic CRAMPON COMPATIBILITY:Automatic, Semi-Automatic WATERPROOF-BREATHABLE:Yes COUNTRY OF ORIGIN:Italy PRODUCT CODE:87425210 SIZING CHART