Dynafit Pro Radical The boot cuff, boot shell, and boot spoiler must be constructed with Grilamid. Total boot weight should be around 1400 grams with a cuff rotation of at least 60 degrees and a flex rating of 120. The boot should have an 11 degree forward lean and a full release and lock system to enable uphill travel in tour mode and downhill performance in ski mode. The boot should have a last width of approximately 103.5 mm. The boot must have an outsole developed for hiking in varied terrain along with a removable heat moldable inner liner. The boot must have standard alpine touring inserts on the toe and heel and be compatible with standard alpine touring bindings. The boot must also be ISO 9523 compatible. SIZE 26 x2 SIZE 27 x10 SIZE 28 x11 SIZE 29 x10 SIZE 30 x8 SIZE 31 x4 SIZE 32 x3Scarpa Maestrale The boot shell must be constructed with Grilamid BIO with a carbon core. The boot cuff must be constructed of Pebax Rnew with a carbon core. Total boot weight should be around 1470 grams with a cuff rotation of at least 60 degrees and a flex rating of 125. The boot should have a full release and lock system to enable uphill travel in tour mode and downhill performance in ski mode. The boot should have a last width of approximately 102 mm. The boot must have an outsole developed for hiking in varied terrain along with a removable heat moldable inner liner. The boot must have standard alpine touring inserts on the toe and heel and be compatible with standard alpine touring bindings. The boot must also be ISO 9523 compatible. SIZE 26 x1 SIZE 27 x4 SIZE 28 x3 SIZE 29 x3 SIZE 30 x2 SIZE 31 x2 SIZE 32 x1 Tecnica Zero G The boot shell must be constructed with Grilamid. The boot cuff must be constructed of Co-Injected Carbon. Total boot weight should be around 1280 grams with a cuff rotation of at least 65 degrees and a flex rating of 130. The boot should have a 14 degree forward lean and a full release and lock system to enable uphill travel in tour mode and downhill performance in ski mode. The boot should have a last width of approximately 99 mm. The boot must have an outsole developed for hiking in varied terrain along with a removable heat moldable inner liner. The boot must have standard alpine touring inserts on the toe and heel and be compatible with standard alpine touring bindings. The boot must also be ISO 9523 compatible. SIZE 26 x1 SIZE 27 x4 SIZE 28 x3 SIZE 29 x3 SIZE 30 x2 SIZE 31 x2 SIZE 32 x1