Best trail running jackets 2026: top waterproof, breathable and lightweight shells for racing and mountain runs. Compare the leading models now.

The Adidas Terrex Agravic TT promises technical terrain performance without the instability of the Speed Ultra 2. We took it out on the trails around Trondheim to find out if it delivers — and where it falls short.

We loved the original Terrex Ultra Agravic for fast, efficient racing, and its aggressive feel made it a go‑to on long trail days. With the new Adidas Terrex Agravic Speed Ultra 2, we were curious whether it keeps that race‑day edge or shifts toward a more mainstream ride.

The VJ Fuzion Aerofly marks a new direction for the brand: a cushioned, stable hybrid trainer built for everyday miles rather than mud and steep terrain.