{"id":56737,"date":"2025-10-29T13:13:10","date_gmt":"2025-10-29T13:13:10","guid":{"rendered":"https:\/\/fortiseyewear.co.uk\/?p=56737"},"modified":"2025-10-29T16:46:34","modified_gmt":"2025-10-29T16:46:34","slug":"waterproofing-breathability-explained","status":"publish","type":"post","link":"https:\/\/fortiseyewear.co.uk\/fr\/waterproofing-breathability-explained\/","title":{"rendered":"Waterproofing & Breathability Explained: Why Some Jackets Fail on the Bank"},"content":{"rendered":"

Staying dry is one thing. Staying dry and comfortable is another. A jacket that looks waterproof in a shop can quickly become a sweat house halfway through a session. Waterproofing and breathability need to work together if you want real performance on the bank.<\/p>\n\n\n\n

Waterproof ratings in the real world<\/h2>\n\n\n\n

Waterproof ratings are measured in millimetres. A 5k jacket can shrug off drizzle for a bit. A 10k jacket survives a shower. But once rain becomes persistent or you add pressure from kneeling or casting, they quickly fail.<\/p>\n\n\n\n

Marine 25k waterproof<\/h3>\n\n\n\n

Our Marine outer layer is rated 25,000mm. That\u2019s built for storms, hours in the elements and the constant movement of real fishing. When cheap waterproofs wet out, Marine stays protective.<\/p>\n\n\n\n

Breathability keeps you warm<\/h2>\n\n\n\n

If sweat can\u2019t escape, you get wet from the inside instead of the rain. That moisture draws heat from your body and chills you fast. Breathability isn\u2019t a luxury \u2014 it\u2019s what keeps you comfortable and focused.<\/p>\n\n\n\n

Marine 25k breathability<\/h3>\n\n\n\n

The Marine system lets moisture exit the jacket while blocking rain from entering. It keeps your microclimate steady whether you\u2019re active or waiting quietly on the rods. Why some jackets \u201cboil you in the bag\u201d<\/p>\n\n\n\n

Cheap waterproofs rely only on coatings, not membranes. Once that coating clogs or rubs away, sweat has nowhere to go. You overheat, then get cold once you stop moving. It\u2019s a cycle of discomfort.<\/p>\n\n\n\n

Small features that make a big difference<\/h2>\n\n\n\n