The TRAILFLY ULTRA G 280 is the first running shoe to use the new high-performance FLYSPEED foam, offering the ultimate fast, springy feel for trails. The lightweight foam is designed to give runners Inov-8's best running feel yet, combined with incredible energy return. The TRAILFLY ULTRA G 280 is perfect for mid-distance ultras or for those who want more cushioning for their runs. It also features GRAPHENE GRIP rubber for the world's toughest traction, an ADAPTER FLEX groove in the underfoot to aid agility and responsiveness, and a breathable, supportive upper to enhance comfort on long runs. Material - Type Upper: Synthetic - Upper: Breathable upper - Type Lining: Textile Equipment - Type Closure System: Lace-up - Sole: Anti-slip sole Running Shoes - Foot Position: Neutral - Degree of Offset: No manufacturer's specification Sole - Outsole: GRAPHENE-GRIP Rubber - Sole Type: Rubber Fit & Cut - Size information: Size runs normal - Fit: Regular fit - Foot width fit: Medium Main information - Type: Trail running - Season: All-season - Range of use: Training Details - Details: - High-performance FLYSPEED foam for the ultimate fast springy running feel - ADAPTER-FLEX groove.