Brand New in Box, only tried on indoors. Description from website: The 5th version of our famous barely-there minimalist shoe is designed to mimic the shape of the human foot, keeping it in the position it would be in without shoes. Version 5 features and improved fit and increased abrasion-resistance. • Breathable mesh and TPU upper • 100% recycled laces • Stretch collar for easy on and off • 40% recycled breathable mesh lining • 30% recycled integrated EVA foam insole • Merrell Barefoot 2 construction is designed to keep the foot in a natural position • Vibram® Ecostep Recycle outsole designed with 30% recycled rubber which provides added durability and improved grip on wet and dry surfaces • Stack Height: 6.5-6.5mm • Lug: 2mm • Vegan-Friendly • Half pair weight: 0lbs-6oz, 170g