What to Do With Wet Kit After a Swim
What to Do With Wet Kit After a Swim: Wet Bags, Dry Bags and Changing Bags Explained
Every swimmer, surfer and paddler knows the moment. The swim was glorious, the endorphins are flowing, and now you're standing in a car park holding four kilos of dripping neoprene, a soaked towel and a small puddle that used to be your swimsuit, wondering how any of it gets home without turning the car into a rock pool. Here's the kit vocabulary sorted, and the routine that makes the whole thing take two minutes.
First: why speed matters more than tidiness
After a cold swim, your body keeps cooling for a while even once you're out. The RNLI notes your core temperature can continue to drop by as much as 4.5 degrees after you exit, a conductive effect known as afterdrop, which is why their advice is to dry quickly, remove all wet layers, dress in warm clothing and wait around 30 minutes before driving [1]. The Outdoor Swimming Society adds a detail experienced swimmers swear by: stand on something while you change, because bare feet on cold tarmac drain heat exactly when you can least spare it [2]. So the wet kit system isn't really about tidiness. It's about getting you warm and dressed fast, with the mess handled as a side effect.
The vocabulary, untangled
A dry bag keeps water out. Waterproof fabric, welded seams, roll top seal. Its job on the way to the water is protecting your towel and dry clothes from rain, spray and dunkings (we've covered what dry bags should you get separately).
A wet bag keeps water in. Same waterproof logic, opposite direction: soaked kit goes inside, and the drips stay contained instead of migrating through the car boot.
Here's the pleasing bit: a proper roll top bag is both. Waterproof fabric doesn't care which side the water is on. Dry kit out, wet kit home, one bag.
A changing mat keeps you off the ground while you swap between the two: warmer feet, cleaner clothes, no hopping on one leg in gravel. Triathletes and winter swimmers treat one as standard kit [3]. We built all three jobs into one product, which is why the Waterproof Beach Dry Bag & Changing Mat unclips to lie flat as a mat, then packs the wet aftermath away as a 40 litre roll top.
The two minute routine
- Mat down, robe on. Unpack the bag, stand on it, get the changing robe or big towel on first so drying happens under cover and out of the wind [1].
- Rinse the salt if you can. A quick warm rinse before you dress makes the whole experience kinder, especially in winter. A portable pressure shower filled warm at home holds its temperature in its neoprene wrapped tank until you need it (this pairing is exactly why we bundle the two as The Change Up).
- Dry, dress, layers on. Warm hat included; this is not the moment for style [2].
- Wet kit onto the mat, then into the bag. Wetsuit, towel, swimsuit, all of it. Fold the sides up, roll the top, clip. The puddle now lives in a bag instead of your footwell, and the sand stays at the beach too.
- Warm drink, wait, then drive. Give afterdrop its half hour before getting behind the wheel [1].
When you get home
Don't let the sealed bag become a science experiment. Everything out, kit rinsed and hung (our gear cleaning guide covers wetsuits and robes properly), and the bag wiped and left open to air. Thirty seconds now saves the unforgettable smell of forgotten neoprene later.
For picking the right capacity for your kind of wet, our litre by litre sizing guide has you covered, and the full cold water kit list lives in the Wild Swimmer's Kit List.
References
- RNLI, Top Tips for Open Water Swimming Beginners: https://rnli.org/water-safety/choose-your-activity/open-water-swimming/top-tips-open-water-swimming-for-beginners
- Outdoor Swimming Society, The Subtle Art of Warming Up: https://www.outdoorswimmingsociety.com/warming-up-after-drop/
- 220 Triathlon, How to Warm Your Cold Body Up After Open Water Swimming: https://www.220triathlon.com/gear/swim/how-to-warm-your-cold-body-up-after-open-water-swimming
