We believe that feet deserve a runner\\\'s high, too. That\\\'s why the Pulseboost HD is sitting on an all-new Boost HD midsole that delivers more stability with the same crazy responsiveness and comfort on any surface. The streets are calling, let\\\'s go get it. > Boost HD is engineered for more stability with the same best-in-class comfort and responsiveness > Adaptive Traxion gives maximum grip to quickly change direction on any surface-because running should give you the freedom to explore > Adapt Knit adjusts to any foot shape, giving you a personalized fit on the go > Regular fit > Lace closure > Adaptive knit textile upper with non-stretch zones for forefoot and midfoot support > Textile lining; Continental™ Rubber outsole for extraordinary traction in wet and dry conditions > High-density Boost for a responsive and stable feel > Sock-like construction hugs the foot > Midsole drop: 8 mm (heel: 18 mm, forefoot: 10 mm) > Reflective forefoot stability insert for lateral support