the Powerflow Pro giving great comfort and bounce over long distances

Requires 4 x CR2032 batteries (included)

ultra-stretchy fabric that’s brushed on the inside for next-level comfort

providing maximum freedom of movement and coverage when bending and stretching

Men's Altra Experience Form Colour:Blue the Powerflow Pro giving greatThe Altra Experience Form is all about effortless and supportive miles, with a lightweight midsole, guidance technology, and a 4mm drop. Lightweight and responsive compression molded midsole foam encourages efficiency. Its got GuideRail technology, which encourages natural foot placement with gentle guidance for an inherently stable ride. A low 4mm drop complements the shoes rocker shape geometry for an efficient toe off and a smooth, quick roll