Part of Sun Mountain's packable rain collection, the Monsoon Men's Jacket is built for golfers who refuse to let the weather dictate their game. Constructed with a waterproof fabric featuring a 15,000 mm-rated waterproof membrane and mechanical stretch, it delivers exceptional freedom of movement throughout the full golf swing. The fabric has a soft, quiet hand and excellent drape — no rustling, no restriction — making the Monsoon an indispensable companion in any bag. Backed by a two-year waterproof guarantee, this jacket offers outstanding performance at a remarkable price point.
When not in use, the entire jacket packs neatly into its own integrated pocket, so it takes up minimal space in your bag and is always ready the moment the sky opens up. Whether you are facing a short shower or a prolonged downpour, the Monsoon has you covered with fully seam-sealed construction and an advanced DWR finish.
The Monsoon Jacket is constructed with a dedicated waterproof fabric that features a 15,000 mm-rated waterproof membrane — a rating high enough to withstand sustained, heavy downpours and blustery conditions. Unlike entry-level rain jackets, which often struggle in prolonged wet weather, the Monsoon's membrane is engineered specifically for golfers who play through the worst the sky can throw at them. Combined with fully seam-sealed construction, no moisture can penetrate through the stitching lines. The result is a dry, comfortable experience from the first hole to the last, regardless of how long the rain lasts.
Every Monsoon Jacket is treated with an Advanced Durable Water Repellent (DWR) finish that causes water to bead up and roll cleanly off the outer fabric, preventing saturation and maintaining breathability throughout your round. This finish works in conjunction with the waterproof membrane to provide a two-layer defence against moisture. The DWR treatment is applied across the entire outer surface, ensuring consistent performance even on the sleeves and shoulders — the areas most exposed to rainfall. The result is a jacket that stays lighter and more comfortable even in prolonged wet conditions, since the outer fabric does not become waterlogged.
Sun Mountain engineered the Monsoon with a fabric that incorporates mechanical stretch, giving golfers complete freedom of movement throughout the golf swing — from backswing to follow-through — without any restriction, bunching, or discomfort. Unlike chemical-stretch fabrics that can lose elasticity over time, mechanical stretch is built directly into the construction of the yarn, ensuring lasting performance wash after wash. The fabric also has a wonderfully soft, quiet hand, meaning it does not rustle or swish during movement — a critical consideration for golfers who want to stay focused. With excellent drape, the jacket moves with your body rather than against it.
One of the Monsoon's most practical features is its ability to pack completely into its own integrated pocket, transforming into a compact bundle that fits neatly in any golf bag. This means you never have to choose between carrying the jacket all day or leaving it behind — it is always there when a sudden shower strikes, taking up virtually no space when the weather is clear. The jacket's feather-light construction complements this packability: even when packed away, the extra weight in your bag is negligible. Whether you are walking the course or riding in a cart, the Monsoon's packable design keeps you prepared without adding bulk.
The Monsoon goes beyond basic waterproofing with a suite of storm-specific protective features. The zip-through collar is fitted with a chin guard that prevents zipper abrasion and keeps cold wind away from the neck, while an inner storm flap adds a secondary barrier behind the main zip to block wind and rain ingress. Zippered hand warmer pockets are fitted with storm flaps that prevent rain from working its way into the openings, keeping both your hands and any items inside completely dry. The partial elastic waist and elastic cuffs seal the jacket around the body and wrists, eliminating the gaps through which wind and moisture most commonly enter a rain jacket.
The Monsoon is designed to deliver a comfortable, tailored fit across a range of body types through its adjustable waist construction. The partial elastic waist can be fine-tuned to provide a snug seal against the elements without feeling constricting, while the elastic cuffs ensure a close fit at the wrists that moves naturally with hand and arm movement. The lightweight, stretchy fabric means the jacket sits close to the body without creating unnecessary bulk over your underlayers — an important consideration when you need a full, free swing. Available in sizes S through XXL, the Monsoon accommodates a wide range of golfers, from those who like a trim performance fit to those who prefer a little more room for insulating layers beneath.
| Intended Use | Men's golf rain jacket |
| Waterproof Rating | 15,000 mm waterproof membrane |
| Seams | Fully seam-sealed |
| Water Repellency | Advanced DWR finish |
| Stretch | Mechanical stretch |
| Weight | Feather Light |
| Windproof | Yes |
| Packability | Stows in its own pocket |
| Waist | Adjustable, partial elastic |
| Cuffs | Elastic |
| Collar | Zip-through with chin guard and inner storm flap |
| Pockets | Zippered hand warmer pockets with storm flaps |
| Waterproof Guarantee | Two-year waterproof guarantee |
| Colour | Cadet / White |
| Available Sizes | S, M, L, XL, XXL |
All measurements are in centimetres (cm). Values are intended as a guide only. Source: sunmountain.com.
| S | M | L | XL | XXL | |
|---|---|---|---|---|---|
| Waist (cm) | 66–71 | 71–81 | 81–91 | 91–101 | 101–111 |
| Chest (cm) | 86–91 | 96–101 | 106–112 | 116–122 | 127–132 |
| Sleeve Length (cm) | 84 | 86 | 89 | 91 | 94 |
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