Read more Read more Read more Quantix SF Quantic Force V Maestro Mid Eco Veloce Helix Profile Moderately Downturned Slightly Downturned Flat Slightly Downturned Slight Downturn Flat Asymmetry Moderately Asymmetric Slightly Asymmetric Slightly Asymmetric Slightly Asymmetric Slightly Asymmetric Slightly Asymmetric Outsole Vibram XS Grip2 (3.5mm) Vibram XS Edge (3.5mm) Vibram XS Edge (4mm) Vibram XS Edge (4mm) S-72 (4mm) Vibram XS Edge (3.5mm) Midsole Flexan Dynamic 1.4mm HT - Tension Flexan 1.0mm Flexan Dynamic 1.4mm Flexan 1.0mm Nylon 1.4mm full length Upper Microfiber, Soft Touch, Alcantara Microsuede Suede 1.8mm Eco Leather 2.0mm Microsuede Suede 1.8mm Weight 8.3oz (1/2 pair size 40.5) 6.7oz (1/2 pair size 40.5) 8.8oz (1/2 pair size 40) 10.2oz (1/2 pair size 40.5) 6.9oz (1/2 pair size 40.5) 7.6oz (1/2 pair size 40) Best Use Sport Climbing, Gym Climbing Sport Climbing, Gym Climbing Sport Climbing, Gym Climbing Sport Climbing, Gym Climbing Sport Climbing, Gym Climbing Trad Climbing, Sport Climbing