Karhu  Men's Fluid3 Fulcrum F1 Running Shoe - Red/Black - F100141 Red/Black -

New sculpted sock liner for maximum comfort EVA padded lasting board under sock liner for added cushioning 

Synthetic sued M-Logo integrated into the lacing system for structured support 

Soft open air mesh vamp supported with welded/seamless construction 

Directly placed compression molded fulcrum to assist in transition through gait cycle

Each shoe weighs about 10.6 OZ