Tried on indoors. Selling because the size did not fit. The packaging size is bulky, so I will ship without the box. Upper: Synthetic fiber, Synthetic resin Sole: Synthetic sole [Features] The Revolution 7 is an item with soft cushioning and support that may revolutionize the world of running. The rubber provides comfort even when it touches the ground, delivering a soft and smooth ride while performing at your pace. A fan favorite has evolved further and is now more stylish than ever. The foam midsole provides a soft and smooth ride. The forefoot has a little more room than the Revolution 6, avoiding tightness or pinching of the toes. The puffs on the heel are visible from the outside of the shoe. The soft feel improves comfort around the Achilles tendon. Touchpoints on the tongue provide a natural feel. The generative design traction pattern on the outsole and rubber lugs provide grip on both uphill and downhill runs.