Speed Strike 2 Trek Casper Size:5.5 Formerly known as PhD® Outdoor

Formerly known as PhD® Outdoor and newly updated

putting you in control of how the shoe sits on your foot

It features by pulled collar

Zippered Hip Pockets

Care Gently brush with a soft

Speed Strike 2 Trek Casper Size:5.5 Formerly known as PhD® OutdoorMerrell's Speed Strike 2 Trek is a women's shoe from the Speed Strike Trek series, now in its second generation. As part of Merrell's Spring 2026 lineup, this updated model carries forward the Speed Strike name in a trek style silhouette suited for the warmer months ahead. Women's shoe designed and made by Merrell Part of the Speed Strike Trek series Second generation update to the original model Trek style silhouette for warmer weather wear Included