Adidas Terrex Agravic Speed Ultra running shoes: design and materials Agravic means to be devoid of gravity, which is a lofty claim, but these shoes – while not weightless – are extremely light.

This decent-looking t-shirt is part of the new Agravic trail-running range from Terrex, the off-road-oriented wing of titanic Teutonic sports brand, adidas (the motherbrand is only mentioned very ...