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We're passionate about offering you the best value. That's why we compare our prices with competitors every day. If you find a lower price elsewhere, even after buying from us, let us know, and we'll refund the difference. Simple, honest, and hassle-free. T&C's Apply
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Sun Mountain H2NO Eclipse E3.5 4-Way Waterproof Golf Stand Bag
The Sun Mountain H2NO Eclipse E3.5 4-Way Waterproof Golf Stand Bag is a premium evolution of the iconic Three-5 design, reimagined with fully waterproof performance and advanced functionality. Made from H2NO waterproof fabric with taped seams and sealed zips, it provides complete protection from the elements without adding extra weight, making it ideal for golfers who prefer to walk the course.
The 8.75” x 10.25” (22 x 26 cm) 4-way top with an ergonomic, integrated handle ensures easy club organisation and handling. The X-Fit Dual Strap System delivers balanced comfort, while the internal compression bottom and padded hip pad add extra stability and support. With 11 spacious pockets, including a velour-lined valuables pocket, a full-length clothing pocket, an insulated beverage pocket, and a zip-off ball pocket, it offers ample storage for all your on-course essentials.
Perfect for golfers who value lightweight waterproof protection and modern functionality, this Sun Mountain waterproof golf stand bag combines performance and style. Pair it with a golf umbrella or golf towel for complete all-weather readiness. You can also explore our full range of Sun Mountain golf bags for more high-performance stand options.
Key Features:
Buy with confidence from The Golf Shop Online. We’re a trusted, authorised Sun Mountain retailer supplying genuine products with full manufacturer warranties. Our PGA-trained team, led by head golf professional Mark Crossfield - who has over 330 million views on YouTube - is always here to offer expert advice. We’re proud of our outstanding customer feedback on Trustpilot and Reviews.io, which reflects our commitment to excellent service. You can shop knowing you’re covered by our Lowest Price Promise, and if you need to return something, we offer a straightforward and hassle-free 60-day returns policy for complete peace-of-mind.
Welcome to The Golf Shop Online. Since 2002, we’ve been helping golfers of all levels find the right equipment at the right price, with the service and support you’d expect from a trusted specialist.
We started with a small pro shop and quickly realised that space limited what we could offer our customers. Moving online allowed us to showcase a much wider range of golf products from the game’s leading brands, all backed by professional advice and reliable service.
Today, The Golf Shop Online is a well-established and respected retailer with thousands of happy customers. We are proud to be authorised by every brand we stock, which means every product you buy is 100% genuine and comes with the full manufacturer’s warranty.
Customer trust is central to what we do. We are rated “Excellent” on Trustpilot and Reviews.io, and we continue to focus on giving you the best possible experience — from competitive pricing and expert support to fast delivery and an easy 60-day returns policy. Our Price Promise gives you extra confidence that you are always getting genuine value.
Behind the website is a friendly, knowledgeable team led by PGA professional Mark Crossfield, who has over 330 million YouTube views sharing trusted golf advice. Whether you need help choosing the right driver, advice on custom fitting, or simply can’t find the product you’re looking for, we’re only a phone call or email away.
Thank you for shopping with The Golf Shop Online. We look forward to helping you enjoy your game with the right equipment and service every step of the way.
Shop with confidence at The Golf Shop Online.
We offer an extended Christmas exchange policy on goods purchased after 20th October 2025, valid for returns made before 13th January 2026.
This policy applies to:
We are happy to offer either an exchange or a credit voucher, redeemable within six months.
Our standard 60-day Money Back Policy also applies to all goods returned within 60 days of delivery. On selected hardware, you’ll also benefit from our 60-Day Play Better Promise – buy a new golf club, try it, and if it’s not suitable, we’ll take it back (T&Cs apply).
Free UK mainland delivery on all orders over £30. Thousands of products ready for immediate dispatch.
FREE / £2.99
*Place your order before 3pm Monday to Friday and upgrade your delivery to next working day.
£4.99
We offer a whopping 60 Day Play Better Promise on selected golf clubs.
Have total peace of mind with our 60 Day Money Back returns policy.
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