--- product_id: 618831307 title: "WHOOP Ultra-Soft SuperKnit Accessory Wristband 4.0 for Enhanced Performance, Comfort and Durability, Compatible 4.0 Wearable Health, Fitness & Activity Tracker" brand: "whoop" price: "¥151" currency: JPY in_stock: false url: https://www.desertcart.jp/products/618831307-whoop-ultra-soft-superknit-accessory-wristband-4-0-for-enhanced store_origin: JP region: Japan --- # Adjustable fit with secure clasp Ultra-soft SuperKnit microfilament yarn Fast Link tech for quick swaps WHOOP Ultra-Soft SuperKnit Accessory Wristband 4.0 for Enhanced Performance, Comfort and Durability, Compatible 4.0 Wearable Health, Fitness & Activity Tracker **Brand:** whoop **Price:** ¥151 **Availability:** ❌ Out of Stock ## Summary > ⌚ Upgrade your wrist game with comfort and style that never quits! ## Quick Answers - **What is this?** WHOOP Ultra-Soft SuperKnit Accessory Wristband 4.0 for Enhanced Performance, Comfort and Durability, Compatible 4.0 Wearable Health, Fitness & Activity Tracker by whoop - **How much does it cost?** ¥151 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/618831307-whoop-ultra-soft-superknit-accessory-wristband-4-0-for-enhanced) ## Best For - whoop enthusiasts ## Why This Product - Trusted whoop brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Endure:** Premium materials crafted for durability, ready to keep up with your active lifestyle. - • **Tailored to You:** Fully adjustable design ensures a perfect fit for every wrist size—comfort meets precision. - • **Elevate Your Look:** Sleek stainless steel accents and multiple colors let you express your unique style effortlessly. - • **Effortless Style Swaps:** Fast Link technology lets you switch bands in seconds—never miss a beat or a look. - • **All-Day Comfort, All-Day Wear:** SuperKnit’s ultra-soft backing feels like a second skin from workouts to sleep. ## Overview The WHOOP Ultra-Soft SuperKnit Accessory Wristband 4.0 is a premium, durable, and ultra-comfortable replacement band designed exclusively for the WHOOP 4.0 tracker. Featuring Fast Link technology for easy installation and removal, adjustable sizing for a perfect fit, and stylish stainless steel components, it’s engineered to support your active lifestyle while elevating your everyday look. ## Description Our premium SuperKnit band is engineered with an ultra-soft backing and microfilament yarn that’s comfortable enough to wear non-stop, from sleeping to swimming to showering, and durable enough to withstand daily wear. WHOOP 4.0 and membership not included. Purchase your WHOOP 4.0 and membership separately. ## Features - EASY TO INSTALL – The WHOOP SuperKnit Accessory Band 4.0 is easy to install and remove with our Fast Link technology, making it a convenient accessory for those who want to switch between different styles. Includes band, hook, clasp, and Fast Link slider that makes swapping bands easier than ever. Only compatible with WHOOP 4.0 (sold separately). - SUPER COMFORTABLE FIT – Premium SuperKnit bands are engineered with ultra-soft backing and microfilament yarn for enhanced comfort and durability. - FULLY ADJUSTABLE – Designed to fit all sizes, you can tighten or loosen the adjustable band easily with our Fast Link technology. - DURABLE AND LONG-LASTING – Made from high-quality materials that are built to last, the SuperKnit band is durable enough for all types of activities, from workouts to outdoor adventures. - CUSTOMIZABLE STYLE – Features stainless steel components and is available in a range of colors, allowing users to choose the style that best matches their personal taste. This accessory band offers a sleek and stylish way to wear your WHOOP tracker, no matter what your personal style may be. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0BWYZHFS2 | | Best Sellers Rank | #40,789 in Sports, Fitness & Outdoors ( See Top 100 in Sports, Fitness & Outdoors ) #210 in Gadget Accessories Watchbands | | Customer Reviews | 4.3 4.3 out of 5 stars (913) | | Date First Available | 14 March 2023 | | Department | unisex-adult | | Generic Name | SuperKnit Band | | Item Dimensions LxWxH | 18 x 2.3 x 1 Centimeters | | Item Weight | 60 g | | Item model number | 95902006000006 | | Manufacturer | WHOOP | | Net Quantity | 1 Count | | Product Dimensions | 18.03 x 2.3 x 1.02 cm; 60 g | ## Images ![WHOOP Ultra-Soft SuperKnit Accessory Wristband 4.0 for Enhanced Performance, Comfort and Durability, Compatible 4.0 Wearable Health, Fitness & Activity Tracker - Image 1](https://m.media-amazon.com/images/I/41SLNLVb17L.jpg) ![WHOOP Ultra-Soft SuperKnit Accessory Wristband 4.0 for Enhanced Performance, Comfort and Durability, Compatible 4.0 Wearable Health, Fitness & Activity Tracker - Image 2](https://m.media-amazon.com/images/I/513BnygRb2L.jpg) ![WHOOP Ultra-Soft SuperKnit Accessory Wristband 4.0 for Enhanced Performance, Comfort and Durability, Compatible 4.0 Wearable Health, Fitness & Activity Tracker - Image 3](https://m.media-amazon.com/images/I/41+l7da1EJL.jpg) ![WHOOP Ultra-Soft SuperKnit Accessory Wristband 4.0 for Enhanced Performance, Comfort and Durability, Compatible 4.0 Wearable Health, Fitness & Activity Tracker - Image 4](https://m.media-amazon.com/images/I/516LFP3A8JL.jpg) ![WHOOP Ultra-Soft SuperKnit Accessory Wristband 4.0 for Enhanced Performance, Comfort and Durability, Compatible 4.0 Wearable Health, Fitness & Activity Tracker - Image 5](https://m.media-amazon.com/images/I/51JwJHIAeuL.jpg) ## Available Options This product comes in different **Color** options. ## Questions & Answers **Q: is this just the band or the whoop?** A: This is only the band. You have to subscribe to Whoop to get it. I will say it's 100% worth it. **Q: Does this comes with tracker?** A: Not the band- you must buy the system if you want the tracker **Q: Is the metal part in green band really green? I see it black on the official page** A: No. It IS green **Q: Can it alert you if your heart rate exceeds 100 bpm even at rest?** A: No. That is not Al what WHOOP is set to do. It is a fitness tracker not a heart rate monitor ## Frequently Bought Together - WHOOP Ultra-Soft SuperKnit Accessory Wristband 4.0 for Enhanced Performance, Comfort and Durability, Compatible 4.0 Wearable Health, Fitness & Activity Tracker, Heather - WHOOP 4.0 with 12 Month Subscription – Wearable Health, Fitness & Activity Tracker – Continuous Monitoring, Performance Optimization, Heart Rate Tracking – Improve Sleep, Strain, Recovery, Wellness - WHOOP SportFlex Wrist Band, Soft-Touch Silicone, Waterproof and Sweatproof, 4.0 Compatible --- ## 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.jp/products/618831307-whoop-ultra-soft-superknit-accessory-wristband-4-0-for-enhanced](https://www.desertcart.jp/products/618831307-whoop-ultra-soft-superknit-accessory-wristband-4-0-for-enhanced) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-10-26*