{"product_id":"arena-powerfin-pro-ii-flex-black","title":"Arena Powerfin Pro II Flex - Black","description":"\u003ch2\u003eArena Powerfin Pro II Flex – Black \u003c\/h2\u003e\n\u003cp\u003eThe Arena Powerfin Pro II Flex in black with a white heel strap and turquoise Arena name on top delivers the perfect balance between manoeuvrability and propulsion. Designed for advanced swimmers, this short-bladed silicone fin enhances leg strength and kick technique without disrupting your natural pace — making it an essential training tool for pool sessions focused on power and efficiency.\u003c\/p\u003e\n\u003cp\u003eTraining your legs vertically with the Powerfin Pro II Flex helps improve your underwater phase. The vertical leg kick allows you to control your body position and refine your kicking technique for faster, more effective swimming.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBlack blade with white heel strap and turquoise Arena name on top\u003c\/li\u003e\n\u003cli\u003eShort inclined blade for maximum forward thrust and high-frequency kicking\u003c\/li\u003e\n\u003cli\u003eSpecial notches on bottom ribs for faster, more powerful kicks\u003c\/li\u003e\n\u003cli\u003eSide rails for improved control and stability\u003c\/li\u003e\n\u003cli\u003eOpen heel and toe opening for a broader range of motion and maximum ankle flexibility\u003c\/li\u003e\n\u003cli\u003e100% long-life silicone construction – PVC free\u003c\/li\u003e\n\u003cli\u003eDesigned for advanced swimmers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBenefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMaximum forward thrust with every kick\u003c\/li\u003e\n\u003cli\u003eSupports high-frequency kick training\u003c\/li\u003e\n\u003cli\u003eSuperior comfort with reduced risk of blisters\u003c\/li\u003e\n\u003cli\u003eDurable, long-life silicone for intensive use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eComposition\u003c\/h3\u003e\n\u003cp\u003e100% silicone – PVC free\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/search?q=011938\" title=\"Shop other colours\"\u003eAvailable in more colours – shop the full Powerfin Pro II Flex range\u003c\/a\u003e\u003c\/p\u003e","brand":"Sport Fox Arena Swimwear Store","offers":[{"title":"36\/37","offer_id":58559403524428,"sku":"011938_36\/37_400","price":68.0,"currency_code":"GBP","in_stock":true},{"title":"38\/39","offer_id":58559403557196,"sku":"011938_38\/39_400","price":68.0,"currency_code":"GBP","in_stock":true},{"title":"40\/41","offer_id":58559403589964,"sku":"011938_40\/41_400","price":68.0,"currency_code":"GBP","in_stock":true},{"title":"42\/43","offer_id":58559403622732,"sku":"011938_42\/43_400","price":68.0,"currency_code":"GBP","in_stock":true},{"title":"44\/45","offer_id":58559403655500,"sku":"011938_44\/45_400","price":68.0,"currency_code":"GBP","in_stock":true},{"title":"46\/47","offer_id":58559403688268,"sku":"011938_46\/47_400","price":68.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1043\/3871\/9052\/files\/011938-400-POWERFIN-PRO-II-FLEX-S-001.png?v=1787657202","url":"https:\/\/arenaswimwearstore.com\/products\/arena-powerfin-pro-ii-flex-black","provider":"Sport Fox Arena Swimwear Store","version":"1.0","type":"link"}