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Compare HydroTour 31944 and HydroKnit 31951 over your normal layers. HydroTour adds specific collar and ventilation features, while HydroKnit offers a different stretch construction; fit, controls and actual packed size should decide which you buy.
Research-based buying guide, checked 13 September 2026. We have not carried out hands-on testing. Product details come from the linked official sources; the comparison and trial suggestions are our editorial advice.
Table of Contents
Use the style-specific specifications
Our comparison is HydroTour style 31944 against HydroKnit style 31951. FootJoy describes the first with three-layer construction, underarm zip ventilation and a DrySeal collar. The second has a 2.5-layer stretch construction and a knit-like feel. Both named overviews specify sealed seams and three-year waterproof warranty wording, subject to the applicable conditions.
The style-specific water-column figures are 20,000mm for this HydroTour and 15,000mm for this HydroKnit. A generic HydroSeries banner elsewhere on a product page may display a higher family maximum. Do not apply that number to every jacket or turn the figures into a prediction of hours before you will feel wet.
| Priority | HydroTour 31944 | HydroKnit 31951 |
|---|---|---|
| Construction to identify | Three-layer | 2.5-layer stretch |
| Specific feature to examine | Underarm vents and collar | Knit-like feel and layering movement |
| Water-column figure on overview | 20,000mm | 15,000mm |
| Packability decision | Fold actual chosen size | Fold actual chosen size |
| Warranty decision | Read exact limited-cover terms | Read exact supplied terms |
Choose between regular wear and bag-carried cover
If you expect to wear the jacket through a cool round, try HydroTour’s collar and vent controls with your normal underlayers. Can you adjust the vents without taking the jacket off? Does the collar remain comfortable when you address a putt? A feature is useful only when its placement works for your posture and clothing.
If the jacket usually stays in the bag until a shower arrives, test how quickly HydroKnit goes over your midlayer and how much pocket space its actual size uses. We have not measured either packed volume, so there is no unsupported claim that one packs smaller. A shop demonstration can answer that question more usefully than comparing product photographs.
Try the full swing without buying excess body fabric
Wear the intended polo and warm layer, close the jacket and make slow rehearsal swings. Check restriction behind the shoulders and at the elbows. Then bend to retrieve a ball and check that the hem still overlaps your trousers. A bigger size can remove sleeve tension while introducing front bulk, so reassess the whole fit rather than solving one point in isolation.
Try the cuffs with your wet-weather gloves and your watch. Confirm access to the pocket you intend to use for a scorecard or phone. A pocket on a waterproof jacket is not automatically a certified dry enclosure for electronics; keep devices protected according to their own requirements. These small interactions often determine which layer you actually use.
Treat an older HydroKnit listing as an exact offer
Several HydroKnit and HydroTour codes remain visible online. A reduced style 92964, for example, should not inherit every detail stated for 31951. Ask the retailer for the offered code, garment condition and current UK size before comparing totals. The existence of an official product page does not guarantee that your size is available.
Our FootJoy clothing guide covers the wider wardrobe, including separate HydroLite references. Use the rain-kit overview to check that the jacket works with your trousers, gloves and bag cover. Buying a second shell will not resolve a gap caused by an unsuitable trouser or cuff arrangement.
Buy the fit and controls you will use
Compare VAT-inclusive UK delivered totals and the seller’s indoor-fitting return instructions. Save the garment code and receipt, and follow the supplied care label instead of another rain jacket’s washing instructions. If a waterproof claim arises, contact the named seller using the exact guarantee terms for that purchase.
These affiliate links open Amazon UK search results for the named equipment or accessories.
- Search Amazon UK for FootJoy HydroTour waterproof jacket
- Search Amazon UK for FootJoy HydroKnit waterproof jacket
Check the exact model, generation and seller. Results can include alternatives; a search link does not confirm availability. Use the official supplier links for specialist products and services.
Start with HydroTour when its collar and ventilation controls answer a frequent cold-round need. Start with HydroKnit when its feel and ease of layering better suit you. If both fit and pack satisfactorily, the real delivered price and dependable after-sales route can decide the purchase without claiming a universal fabric winner.
Sources and how to use this guide
Read the linked manufacturer or service information alongside the exact item offered to you. Specifications describe the named model; an individual build, package or previously owned item may differ. Confirm the complete order before paying. We have not verified a universal performance winner or promised stock availability.