SKIN-FRIENDLY 3MM NEOPRENE SOCKS: neoprene water socks made by 3mm qualitysofty neoprene with 4-way stretchy nylon laminated,which is healthy,elastic and durable,can last long even frequent use and protect your feet from cut,puncture,scratch and cold water. LOW CUT DESIGN NEOPRENE SNORKEL SOCKS:Low cut designed water socks provide more flexible using experience.The adjustable strap can make the welt cover your ankle tightly, prevent sands or other small things coming in,perfect for water sports,beach activities,such as beach volleyball,beach football,snorkeling,scuba diving,swimming,etc.. REINFORCED AND ANTI-SLIP SOLE:Reinforced and rubber printing sole,can be abrasion resistant,tearing resistant and anti-slip.When you ware this neoprene fin socks,you can walk on sandy,rugged or slippery environment without feeling dangerous or uncomfortable. FLATLOCK STITCHING: beach water socks sewn by flatlock stitched seams,which are durable and stretchy,guaranteeing a long service life.The difference between flatlock stitching and glued blind stitching is with or without gluing.Gluing can minimize water coming inside the neoprene water socks.Flatlock stitching(without gluing) is suitable for Spring,Summer and Autumn.Glued blind stitching is not only better function in cold winter,but also perfect for other seasons. BARE-FEET FEELING FOR VERSATILE USING:Your feet will be protected without letting you feel that you are wearing the socks.This flexible and bare-feet feeling neoprene socks are suitable for many watersportsoutdoors activities,Whats more,you can use it as slippers at home.