{"id":215891,"date":"2025-07-04T09:34:03","date_gmt":"2025-07-04T07:34:03","guid":{"rendered":"https:\/\/crownsportnutrition.com\/?post_type=product&#038;p=215891"},"modified":"2026-04-15T23:00:34","modified_gmt":"2026-04-15T21:00:34","slug":"soft-flask-pro-350-estrecha","status":"publish","type":"product","link":"https:\/\/crownsportnutrition.com\/en\/producto\/soft-flask-pro-350-estrecha\/","title":{"rendered":"Soft Flask PRO 350 ml, narrow mouth"},"content":{"rendered":"<h4>WHY CROWN SPORT NUTRITION? (41 SEC)?<\/h4>\n<div>\n<div class=\"entry-content-asset videofit\"><iframe loading=\"lazy\" title=\"Crown Sport Nutrition - High Performance Specialists\" width=\"720\" height=\"405\" src=\"https:\/\/www.youtube.com\/embed\/SvA4rFEtFk4?feature=oembed&#038;enablejsapi=1&#038;origin=https:\/\/crownsportnutrition.com\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<\/div>\n<h2>\ud83e\uddea Soft Flask PRO 350 ml, narrow mouth \u2013 Technical Data Sheet<\/h2>\n<h3>Functional Description:<\/h3>\n<p>Soft, compact and highly portable hydration device with a 350 ml capacity. Specifically designed for running, with an ergonomic shape that naturally fits the width of the hand. Its geometry, flexible materials, and optimized mouth make it ideal for endurance sports such as running, trail running, skyrunning, ultramarathons, and similar activities.<\/p>\n<h3>\ud83e\uddfe Technical Specifications<\/h3>\n<ul>\n<li><strong>Usable capacity:<\/strong> 350 ml<\/li>\n<li><strong>Net weight (empty):<\/strong> &lt;50 g<\/li>\n<li><strong>Dimensions (approx., full):<\/strong> 260 mm length \u00d7 45 mm diameter<\/li>\n<\/ul>\n<h4>Ergonomic design:<\/h4>\n<ul>\n<li>Body geometry designed to facilitate handheld grip while running, minimizing hand muscle fatigue.<\/li>\n<li>Lightly textured exterior surface to prevent slipping.<\/li>\n<\/ul>\n<h4>Technical mouthpiece:<\/h4>\n<ul>\n<li><strong>Type:<\/strong> bite valve with automatic return (self-sealing)<\/li>\n<li><strong>Reduced diameter (narrow mouth):<\/strong> minimizes space and facilitates storage in front pockets, belts, or hand grip<\/li>\n<\/ul>\n<h4>Materials and safety:<\/h4>\n<ul>\n<li><strong>Body:<\/strong> Flexible BPA- and PVC-free TPU (thermoplastic polyurethane)<\/li>\n<li><strong>Valve:<\/strong> Food-grade silicone<\/li>\n<li><strong>Cap:<\/strong> High-strength polypropylene<\/li>\n<li>CE \/ FDA certified for food contact<\/li>\n<\/ul>\n<h4>Operating temperature:<\/h4>\n<ul>\n<li><strong>Range:<\/strong> -20 \u00baC to +50 \u00baC<\/li>\n<li>Not suitable for hot or carbonated liquids<\/li>\n<\/ul>\n<p><strong>Manufacturing:<\/strong> PRC (China)<\/p>\n<h3>\ud83e\uddfc Care and Maintenance<\/h3>\n<h4>Cleaning before first use:<\/h4>\n<p>To remove manufacturing residues and neutralize plastic taste, a deep cleaning is recommended before first use.<\/p>\n<h5>Recommended technical procedure:<\/h5>\n<ol>\n<li>Rinse the interior with hot water.<\/li>\n<li>Dissolve 1 effervescent denture cleaning tablet in 250\u2013300 ml of hot water.<\/li>\n<li>Fill the flask completely and let it sit for 30 min to 2 hours.<\/li>\n<li>Empty and rinse several times with hot water until no odor or bubbles remain.<\/li>\n<li>Air dry in an upright position with the cap open for 4\u20136 hours.<\/li>\n<li><strong>Optional:<\/strong> If the smell persists, pre-wash with baking soda (1 tablespoon in hot water, 15 minutes) before the tablet treatment.<\/li>\n<\/ol>\n<h4>Regular maintenance after each use:<\/h4>\n<ul>\n<li>Wash with warm water and mild detergent (do not just rinse).<\/li>\n<li>Avoid prolonged direct sunlight exposure.<\/li>\n<li>Store in the freezer between uses to prevent microbial growth and remove organic residues.<\/li>\n<li>Do not sterilize in microwave or autoclave.<\/li>\n<\/ul>\n<h3>\ud83c\udfc3 Recommended Use<\/h3>\n<ul>\n<li>Direct handheld use during long runs or training<\/li>\n<li>Compatible with hydration belts, front vests, or compression pockets<\/li>\n<li>Ideal for prolonged efforts where quick access to fluids is required without interrupting stride or pace<\/li>\n<\/ul>\n<span class=\"kt-load-after-post\"><\/span>","protected":false},"excerpt":{"rendered":"<p>Soft, ultra-light and ergonomic <strong>350 ml flask<\/strong>, designed to fit comfortably in the hand during runs. Ideal for short to medium distance <em>running<\/em> and <em>trail running<\/em>. Narrow mouth and flexible body, easy to store in pockets or belts.<\/p>\n","protected":false},"featured_media":215894,"template":"","meta":{"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_kadence_starter_templates_imported_post":false,"_kad_post_transparent":"default","_kad_post_title":"","_kad_post_layout":"default","_kad_post_sidebar_id":"","_kad_post_content_style":"default","_kad_post_vertical_padding":"default","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":""},"product_brand":[],"product_cat":[175,176],"product_tag":[214,215],"class_list":{"0":"post-215891","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-accesorios","7":"product_cat-shop","8":"product_tag-bidon","9":"product_tag-bottle","11":"first","12":"instock","13":"taxable","14":"shipping-taxable","15":"purchasable","16":"product-type-simple","17":"entry","18":"content-bg","19":"loop-entry"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.2 (Yoast SEO v27.2) - 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