Size 3: Length 22.5-23cmSize 4: Length 23.5-24cmSize 5: Length 24.5-25cmSize 6: Length 25.5-26cmSize 7: Length 26.5-27cmSurfing Booties 5MM:Comfortable stretchiest neoprene diving booties , durable and grippy single layer sole without adding extra weight. A great alternative to water socks, diving fins, or neoprene socksDiving and water sports design:with anti-slip design on sole and warm thermal materials to protect your foots from hurt by rocks or other sharp objects and keep warm while underwaterSurf booties menEasy on and off save more time for the surfing,durable traction sole helps you grip the boat deck dock or shore.Feel both flexible and fitting for your feet when you're doing water sports and beach activities!Wide application:This wetsuit booties perfect for snorkeling diving walking along the beach,protect your feet from cut puncture scratch and cold water.Great gift for family friends lover ect.High quality: MIMIGO kayaking surfing booties can be fitted for men women and kids, please choose the size according to your feet length and reference to our size table image. Due to everyones foot shape is difference and measuring tolerance 1cm allowed.