--- product_id: 723251805 title: "Standard Flex Cap" brand: "hydro flask" price: "AR$159032" currency: ARS in_stock: true reviews_count: 7 category: "Hydro Flask" url: https://www.desertcart.com.ar/products/723251805-standard-flex-cap store_origin: AR region: Argentina --- # Leak-proof Flex Straw Lid Keeps drinks hot 12h Keeps drinks cold 24h Standard Flex Cap **Brand:** hydro flask **Price:** AR$159032 **Availability:** ✅ In Stock ## Summary > 💦 Sip smart, live bold — the Hydro Flask Standard Flex Cap keeps pace with your unstoppable lifestyle! ## Quick Answers - **What is this?** Standard Flex Cap by hydro flask - **How much does it cost?** AR$159032 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/723251805-standard-flex-cap) ## Best For - hydro flask enthusiasts ## Why This Product - Trusted hydro flask brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Endure:** Rugged stainless steel construction resists dents and keeps flavors pure, ready for any adventure or office hustle. - • **Effortless Clean-Up:** Dishwasher safe with a durable powder coating that keeps your bottle looking fresh and ready for your next sip. - • **One-Handed Hydration:** Flex Straw Lid lets you sip effortlessly on the go—no spills, no hassle, just pure convenience. - • **Sustainability in Action:** Join the movement with Hydro Flask’s eco-friendly design and support for green spaces—hydrate responsibly, live consciously. - • **Ultimate Temperature Control:** Double-wall vacuum insulation locks in cold for 24 hours and hot for 12 hours, so your drink stays perfect all day. ## Overview The Hydro Flask Standard Flex Cap is a 21-ounce stainless steel water bottle featuring double-wall vacuum insulation that keeps beverages cold for up to 24 hours and hot for up to 12 hours. Its leak-proof Flex Straw Lid enables easy one-handed drinking, while the durable powder-coated finish is dishwasher safe for effortless cleaning. Designed for active professionals and outdoor enthusiasts alike, this eco-conscious bottle supports sustainability initiatives and comes with a lifetime warranty. ## Description We make thoughtful, beautifully designed gear that moves people. Towards nature. Towards happy. And towards each other. Because life is an adventure and we’re glad to be with you for every step, sip and smile along the way. Surrounded by mountains, rivers and lakes, HYDRO FLASK HQ is literally nestled into a Pacific Northwest wonderland– Bend, Oregon. Where we are from, is part of who we are and it’s in our DNA. It has shaped our products, people and what we’re about as a company.Not only is the outdoors our everything, but we love to share all kinds of life experiences with others, whether it's a day at the office or at the university or a yoga class. That is our purpose and our heartbeat. Whatever you need to help you be outside living your best life, we're in. The inspiration behind every product we design is Mother Nature. There’s never anything extra – every choice is made for a reason. Keep it strikingly simple. From product innovation to colour leadership - simplicity drives all. Review: Very pleased with this Hydro Flax - A lovely and sturdy flask. The 21-ounce size is ideal for travel and for taking to meetings, and fits nicely into my treadmill's cup-holder. Keeps water cold and refreshing. The flex cap is markedly easier to drink with than a regular straw. Review: Great quality! - Great product ## Features - IDEAL DRINKING TEMPERATURE: Our double-wall vacuum-insulated bottle keeps beverages cold for up to 24 hours and hot for up to 12 hours. The TempShield technology prevents condensation and heat transfer to the outside. - BETTER DRINKING ON THE GO: With double-wall, vacuum-insulated technology, our water bottle maintains the IDEAL temperature. The leak-proof Flex Straw Lid allows for easy drinking with just one hand. - DURABLE WATER BOTTLE: Our eco-friendly, sturdy stainless steel bottle is perfect for any type of sport. The durable construction withstands everything life throws at it, while keeping the taste of your drink intact. - DISHWASHER SAFE: Our water bottles come with a powder coating that makes cleaning a breeze. Enjoy more leisure time and less work with this convenient feature. - SATISFACTION GUARANTEED: We offer a lif etime warranty against manufacturer defects. HYDRO FLASK stands behind our durable and robust materials and is committed to high standards. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0D3VKM12K | | Additional Features | Cold 24 Hours, Hot 12 Hours | | Age Range (Description) | Adult | | Age Range Description | Adult | | Best Sellers Rank | #363,041 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #2,450 in Insulated Bottles #5,469 in Water Bottles #213,479 in Dining & Entertaining | | Brand | Hydro Flask | | Brand Name | Hydro Flask | | Capacity | 621 Milliliters | | Color | Fossil | | Customer Reviews | 4.9 out of 5 stars 29 Reviews | | Included Components | 1x 21 OZ STANDARD FLEX STRAW CAP FOSSIL | | Is Oven Safe | No | | Is the item dishwasher safe? | Yes | | Is the item microwaveable? | No | | Item Dimensions W x H | 5.91"W x 9.84"H | | Item Type Name | Insulated Bottle | | Item Weight | 0.41 Kilograms | | Manufacturer | Helen of Troy | | Material Type | Stainless Steel | | Model Name | S21FS162 | | Number of Items | 2 | | Pattern | Fossil | | Product Care Instructions | Hand Wash Only | | Recommended Uses For Product | Water | | Special Feature | Cold 24 Hours, Hot 12 Hours | | Theme | Retro | | UPC | 810096856869 | | Unit Count | 1.0 Count | | With Lid | Yes | ## Product Details - **Brand:** Hydro Flask - **Capacity:** 1.3 Pounds - **Color:** Fossil - **Recommended Uses For Product:** Water - **Special Feature:** Cold 24 Hours, Hot 12 Hours ## Images ![Standard Flex Cap - Image 1](https://m.media-amazon.com/images/I/61WsAfvPzbL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Very pleased with this Hydro Flax *by T***E on November 3, 2025* A lovely and sturdy flask. The 21-ounce size is ideal for travel and for taking to meetings, and fits nicely into my treadmill's cup-holder. Keeps water cold and refreshing. The flex cap is markedly easier to drink with than a regular straw. ### ⭐⭐⭐⭐⭐ Great quality! *by Y***V on January 15, 2026* Great product ### ⭐⭐⭐⭐⭐ 車で飲みながら運転できる *by 海***流 on November 8, 2024* ストロータイプなので運転中も零さずに飲む事ができます。 ## Frequently Bought Together - Hydro Flask - Water Bottle 621 ml (21 oz) - Vacuum Insulated Stainless Steel Water Bottle with Flex Straw Cap - BPA-Free - Standard Mouth - Fossil - HYDRO FLASK - Flex Straw Cap for Wide Mouth - Leakproof - Honeycomb Insulated Cap with Flex Strap for Easy Carrying - BPA-Free and Toxin-Free - Dishwasher Safe - Black - HYDRO FLASK - Water Bottle 709 ml (24 oz) - Vacuum Insulated Stainless Steel Water Bottle with Leak Proof Flex Cap and Powder Coat - BPA-Free - Standard Mouth - Mesa --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.com.ar/products/723251805-standard-flex-cap](https://www.desertcart.com.ar/products/723251805-standard-flex-cap) --- *Product available on Desertcart Argentina* *Store origin: AR* *Last updated: 2026-06-05*