STI Performance Level 1 insole
Formula G rubber with clipless pedal specific tread pattern
STI Evolution Foam midsole
Tongue gussets shield moisture, dirt and pebbles
System Flo2 Compresson Tongue provides air flow
Hot-melted toe and heel cap
Lace Pocket on top of tongue
Adjustable Power Strap for extra lockdown
Nylon clipless pedal shank optimized for pedaling
Nylon pull loop on heel
Reflective heel panel for safety