Af1 Style Evoluted. Revel Your Look and Enter the New World Af1 with Nike Air Force 1 React. Modern design blends with the striking basketball look for an iconic and impactful style. The Swoosh Oversize, the great 'Air' lettering on the midsole and the redesigned pattern on the sole are designed to express your world with a modern style, while Nike React Technology gives you exceptional comfort under the foot. The inner sole with Nike React Technology ensures softness, comfort and elasticity. The air unit in the heel provides responsive cushioning. The iconic design lines of the upper have been accented for an impact look. The classic bar on the heel has been replaced with a TPU strip. Swoosh Oversized Printed Updates Aesthetics. Nike React Details are incorporated into the sole and replace the iconic stars with the React-inspired ripple pattern.