This is the Giant P-SL2 Tire, with their front-specific compounds and high-volume casings, 

Features:

Fast rolling and stable tread design in any on-road condition

Front and rear specific tread rubber compound

Oversized casing design for better comfort

Folding bead, 60 TPI

FlatGuard DEFLECT 2 puncture protection

specific rubber compound

Weight: 220g