Best for ultra-marathons Inov-8 Trailfly Ultra G 280. Inov 8 TrailFly Ultra G 280 . Inov 8 TrailFly Ultra G 280 . £145 at inov-8.com. Type: Trail ; Weight: 280g (unisex) Heel/toe drop: 8mm; Inov-8 says: Featuring our first use of the new high-performance FLYSPEED foam, the TRAILFLY ULTRA G 280 delivers the ultimate fast-feel cushioned ride for trails. The foam – which is lightweight and sustainable – has been designed to give runners our plushest ride to date, combined with incredible energy return. g5Rg.

inov 8 trailfly ultra g 280