The Gel-Sonoma 15-50 Sneaker From The Future Trail Pack Is Rooted In The Concept Of Outdoor Exploration. This Style Harnesses Inspiration From The 15-50 Cross-country Spike’s Upper. It Was Originally Designed For Competitive Runners Racing On A Wide Range Of Terrain. Now, It’s Modified For Maneuvering On City Streets And Mountain Trails. Meanwhile, The Tooling Uses Components From The First Two Gel-Sonoma Trail Shoes. From Everyday Foot Traffic To Hiking Rocky Hillsides, These Features Create Advanced Cushioning And Traction In Various Surroundings.