With a remarkable weight-to-cushion ratio, the Kaha 2 GTX delivers peak performance with peak plushness. Updated with a HUBBLE heel with SwallowTail geometry, this durable hiker features Vibram Megagrip with Traction Lug for increased ground contact. Consciously crafted, this trailblazing silhouette employs GORE-TEX footwear fabric with recycled textile. | Features. Leather Working Group Gold-rated waterproof nubuck leather. GORE-TEX footwear fabric with 71% recycled polyester face fabric. Dual-density CMEVA midsole with HUBBLE heel and SwallowTail. Late stage MetaRocker with integrated flex grooves. Vibram Megagrip rubber with Traction Lug. 5mm lugs. Quick-lace metal top hooks. Abrasion resistant toecap and heel. Waterproof membrane bootie construction. Anatomical Achilles construction with heel pull tab. Topically applied PFC-free water repellency treatment. Rubberized EVA midsole. Molded PU sockliner with 50% soybean oil. 51% Recycled polyester quarter mesh and tongue mesh. 80% Recycled polyester lining mesh. 100% recycled polyester laces (excluding aglet). 80% Recycled polyester strobel board.