Of flexibility and rigidity for efficient propulsion. Resulting in a powerful kick that requires less effort. Stress and strain, meaning less air consumption. Not all split fins are the same.Split fins come in a variety of shapes, sizes and stiffness. They contribute greatly to overall comfort and performance. Color may vary slightly from picture. You will need to wear a boot with these fins. XLARGE 11 1/2- 13 44-46. The item "Atomic Aquatics Split Fin light blue small scuba diving equipment snorkeling" is in sale since Monday, December 16, 2013. This item is in the category "Sporting Goods\Water Sports\Scuba & Snorkeling\Other Scuba & Snorkeling". The seller is "sundancesurvivalsupply" and is located in Grants Pass, Oregon. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, China, Sweden, South Korea, Indonesia, Taiwan, South africa, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Bahamas, Israel, Mexico, New Zealand, Philippines, Singapore, Switzerland, Norway, Saudi arabia, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Brazil, Chile, Colombia, Costa rica, Dominican republic, Panama, Trinidad and tobago, Guatemala, El salvador, Honduras, Jamaica, Antigua and barbuda, Aruba, Belize, Dominica, Grenada, Saint kitts and nevis, Saint lucia, Montserrat, Turks and caicos islands, Barbados, Bangladesh, Bermuda, Brunei darussalam, Bolivia, Ecuador, Egypt, French guiana, Guernsey, Gibraltar, Guadeloupe, Iceland, Jersey, Jordan, Cambodia, Liechtenstein, Sri lanka, Luxembourg, Monaco, Macao, Martinique, Maldives, Nicaragua, Oman, Peru, Pakistan, Paraguay, Reunion, Viet nam, Uruguay, Russian federation.