{"product_id":"pinne-in-carbonio-prana-red-cetma-composites","title":"Prana Fins - Red","description":"\u003ch2\u003ePrana Fins - Cetma Composites\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003ePrana fins\u003c\/strong\u003e are an advanced model specifically designed for freedivers and spearfishers who demand uncompromising equipment in terms of quality and materials.\u003c\/p\u003e\n\u003ch3\u003eMaterials and Construction\u003c\/h3\u003e\n\u003cp\u003eThe blades are made of \u003cstrong\u003e75% carbon\u003c\/strong\u003e and \u003cstrong\u003e25% S-Glass\u003c\/strong\u003e, a high-strength fiberglass derived from the aerospace industry. Manufacturing involves an exclusive high-pressure, high-temperature vacuum process, with hot-melt impregnation using tetra-functional resin. This method ensures a defect-free component with a consistent fiber\/resin ratio along the entire blade, delivering strength and lightness.\u003c\/p\u003e\n\u003ch3\u003eEngineered Design for Efficient Finning\u003c\/h3\u003e\n\u003cp\u003eThe calibrated distribution of stiffness and mass along the blade promotes resonance within a range of natural frequencies that match the typical finning frequency. This configuration optimizes thrust transmission, reducing fatigue and increasing the fluidity of underwater movement.\u003c\/p\u003e\n\u003ch3\u003eDesign and Components\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFoot Pockets: \u003cstrong\u003eS-Wing\u003c\/strong\u003e model without side rails, ensuring comfort and a secure fit.\u003c\/li\u003e\n\u003cli\u003eWater rails: constant-profile structure with a height of 10 mm, designed for optimal stability and trim control.\u003c\/li\u003e\n\u003cli\u003eBlade size: 667 x 185 mm, balanced to ensure efficient propulsion.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAvailable Variants and Sizes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eStiffness options: \u003cstrong\u003e25 soft\u003c\/strong\u003e and \u003cstrong\u003e30 medium\u003c\/strong\u003e to suit different thrust and comfort requirements.\u003c\/li\u003e\n\u003cli\u003eSizes: \u003cstrong\u003e39\/40\u003c\/strong\u003e, \u003cstrong\u003e41\/42\u003c\/strong\u003e, \u003cstrong\u003e43\/44\u003c\/strong\u003e, \u003cstrong\u003e45\/46\u003c\/strong\u003e for a precise fit.\u003c\/li\u003e\n\u003cli\u003eLogo and side-rail colors:  red, orange, and yellow.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cp\u003eThe Prana fins are specifically designed to improve \u003cstrong\u003eresponsiveness\u003c\/strong\u003e and \u003cstrong\u003ehydrodynamic efficiency\u003c\/strong\u003e during spearfishing and freediving, making finning smoother and less tiring even during extended sessions.\u003c\/p\u003e","brand":"Cetma","offers":[{"title":"25 - Soft \/ 39-40","offer_id":56925976461657,"sku":"PRSRDRD + SWBK39","price":350.0,"currency_code":"EUR","in_stock":true},{"title":"30 - Medium \/ 39-40","offer_id":56925976494425,"sku":"PRMRDRD + SWBK39","price":350.0,"currency_code":"EUR","in_stock":true},{"title":"25 - Soft \/ 41-42","offer_id":56925976527193,"sku":"PRSRDRD + SWBK41","price":350.0,"currency_code":"EUR","in_stock":true},{"title":"30 - Medium \/ 41-42","offer_id":56925976559961,"sku":"PRMRDRD + SWBK41","price":350.0,"currency_code":"EUR","in_stock":true},{"title":"25 - Soft \/ 43-44","offer_id":56925976592729,"sku":"PRSRDRD + SWBK43","price":350.0,"currency_code":"EUR","in_stock":true},{"title":"30 - Medium \/ 43-44","offer_id":56925976625497,"sku":"PRMRDRD + SWBK43","price":350.0,"currency_code":"EUR","in_stock":true},{"title":"25 - Soft \/ 45-46","offer_id":56925976658265,"sku":"PRSRDRD + SWBK45","price":350.0,"currency_code":"EUR","in_stock":true},{"title":"30 - Medium \/ 45-46","offer_id":56925976691033,"sku":"PRMRDRD + SWBK45","price":350.0,"currency_code":"EUR","in_stock":true},{"title":"25 - Soft \/ 47-48","offer_id":56925976723801,"sku":"PRSRDRD + SWBK47","price":350.0,"currency_code":"EUR","in_stock":true},{"title":"30 - Medium \/ 47-48","offer_id":56925976756569,"sku":"PRMRDRD + SWBK47","price":350.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0993\/6732\/1945\/files\/Pinne_Prana_-_Rosse.png?v=1782072484","url":"https:\/\/deepbluesub.com\/en\/products\/cetma-composites-prana-red-carbon-fins","provider":"DEEP BLUE - Freediving \u0026 Spearfishing","version":"1.0","type":"link"}