IDEAL COMFORT: The XCEL Axis Split Toe 3mm boot features an adjustable hook-and-loop strap for a comfortable and snug fit. Please size down from your normal shoe size when ordering EASY ENTRY: The Xcel Axis Split Toe 3mm boot has a pressure-bonded back ankle pull tab for easy on and off on those cold mornings SUPERIOR WARMTH: The XCEL Axis Split Toe 3mm boot is made with Ultrastretch Neoprene, with an engineered design to snugly fit the contours of your feet, keeping you warm longer LASTING DURABILITY: The XCEL Axis Split Toe 3mm boot has a strong outer seam and is glued and blind stitched for added durability COMMITTED TO THE CORE: Xcel is a wetsuit company first and foremost. Each of our products are designed in the US in our factory in Hawaii, where they undergo test after test to ensure the most competitive fit and performance