The Lightest, Most Minimalist, Closst-to-Barefoot Xero ShoeGreat grip and ground feel wth the super flexible 4.5mm FeelTrue soleBAREFOOT COMFORT – So lightweight you’ll barely know it’s on. The slightly stretchy, breathable mesh upper, and the silky smooth, moisture-wicking lining, give the Speed Force slipper-like comfort.NATURAL FIT — A wide toe box lets your toes splay, spread, and move naturally. The non-elevated, zero-drop heel allows for proper posture. A truly minimalist shoe that lets your body work the way nature intended.VERSATILE – Speed Force was made to be a racing shoe, but people are wearing it for walking, hiking, trail running, CrossFit, lifting, working out, or just all-day, every day wear. Perfect for travel since you can use it for almost everything, and it won’t add bulk or weight to your luggage. The reflective heel and midfoot straps help you stay visible.DURABLE and VEGAN FRIENDLY – The patented, non-marking FeelTrue sole is backed with Xero Shoes’ 5,000 mile sole warranty. Speed Force is made without any animal products.TRUE to SIZE FIT – Order Speed Force in your usual shoe size. Of course, if you need a different size, we’re happy to offer FREE domestic exchanges. Just contact the seller.