SPY Logan Soft Matte Black Happy Gray Green M 4/ W 6 The lugged tread pattern features

The lugged tread pattern features a siped tire-like design for increased traction

Flex: 5-8 (Scale 1 - 10)

with a DWR finish to shed moisture

FuelCell foam delivers a propulsive feel to help drive you forward

Dual Ride-Stride: Highback goes from ride mode to walk mode with a 1/4 turn of the forward lean block

SPY Logan Soft Matte Black Happy Gray Green M 4/ W 6 The lugged tread pattern featuresThis tested and proven mutant is always ready to get into the mix. Available with the SPY Happy lens, the Logan sunglasses feature a virtually indestructible Grilamid construction, high quality pin hinges, 8 base polycarbonate ARC lenses for superior clarity, and 100% UV protection.