altra women's timp 1.5 (7 b us) grey altra believe it or not, the timp just got even better! this 1.5 version features softer cushioning, improved heel fit, and a more flexible midsole for a sleeker ride. the new timp will float around rocks and roots with ease, and with the addition of a 4-point gaitertrap you can confidently run through sand, dirt and debris. the outsole retains the same sticky maxtrac rubber as the previous version for unparalleled traction and grip.