Our View – Scarpa Rush TRK LT GTX: The Scarpa Rush TRK LT GTX is a lightweight ripstop fabric version of the ever-popular Rush GTX and has been designed for shorter, less technical hikes. It's a comfortable boot with technologies that help reduce foot fatigue during activity. The right mix of comfort, stability and lightness. Specifications - Scarpa Rush TRK LT GTX: IKS (Interactive Kinetic System) technology reinvents the principles of comfort and cushioning Lightweight and breathable for summer walks Hiking beyond the ordinary Lightweight Ripstop Fabric DST Chassis for stability and anti-torsion function Insole - DST TPU Frame Last - RHA Lining - GORE-TEX Extended Comfort Footwear Mid Sole - 3D EVA-CM Sole - PRESA® TRK01 / SuperGum Upper - Fabric + Film Weight - 505g; (1/2 pair size 42) Scarpa Rush TRK LT GTX