Kids Wetsuit FAQ – Everything Parents Need to Know | Le Grom
Kids Wetsuit FAQ – Everything Parents Need to Know
Whether you’re buying your child’s first wetsuit or upgrading from a suit that didn’t cut it, here are answers to the questions we hear most from Le Grom parents.
Sizing & Fit
What size wetsuit does my toddler need?
Use weight and height together — not age — to find the right size. Our sizes run 2T (15–25 lbs, 27–35 in), 3T (25–35 lbs, 35–40 in), 4T (30–40 lbs, 40–45 in), and 6T (40–50 lbs, 45–49 in). When in doubt, size up. View our full size guide →
My child is between sizes. Should I size up or down?
Always size up. Neoprene has natural stretch, so a slightly roomier fit is more comfortable and much easier to get on. A too-tight suit restricts movement and creates a miserable experience.
How should a wetsuit fit a toddler?
Snug but not restrictive. You should be able to pinch a small amount of neoprene at the shoulder. The neck should be comfortable (not choking), and the crotch seam should sit in the right place. Arms and legs should reach the wrists and ankles — if they stop mid-forearm or mid-shin, size up.
Do your wetsuits fit over diapers/swim diapers?
Yes. Our toddler sizing accounts for swim diapers. The 2T and 3T sizes have a bit of extra room in the seat area.
Warmth & Performance
How warm will my toddler be in a Le Grom wetsuit?
Our 3mm neoprene keeps kids warm in water temperatures down to about 60°F. That covers the vast majority of beach days, surf lessons, and lake trips in the U.S. In warmer water (70°F+), kids can stay in comfortably for 2+ hours.
Is 3mm thick enough?
For most families, yes. 3mm is the sweet spot — warm enough for real ocean conditions without being so thick that it restricts a toddler’s movement. If you’re regularly surfing in water below 58°F, you might want a 4mm+ suit, but that’s rare for toddler water activities.
Does the wetsuit provide sun protection?
Yes. Every Le Grom wetsuit is rated UPF 50+, which blocks 98% of UV rays. Full-body coverage means less sunscreen, fewer missed spots, and better protection than rash guards alone.
Getting It On (The Hard Part)
How do I put a wetsuit on a toddler?
Our back zip design makes it much easier than front-zip or pull-on suits. Here’s the trick: lay the suit flat and open, slide legs in first, then arms, then zip up from the bottom. The long pull tab makes zipping fast. Most parents get the whole process down to under 2 minutes after a couple of tries.
Any tips for making it easier?
Wet the inside of the suit slightly before putting it on — it slides on much more easily over dry skin. Some parents also apply a thin layer of baby powder inside the suit before heading to the beach. And the most important tip: stay calm. If you’re relaxed, your toddler will be too.
Care & Longevity
How do I wash a kids wetsuit?
Rinse with fresh water after every use. For a deeper clean, soak in cool water with a small amount of wetsuit shampoo (or baby shampoo works too). Never use hot water, and never put it in a washing machine or dryer.
How should I store the wetsuit?
Hang it on a wide hanger or drape it over a railing in a shaded area. Avoid direct sunlight for extended periods, and never fold it tightly — this creates permanent creases in the neoprene. Once fully dry, store in a cool, dry place.
How long will a Le Grom wetsuit last?
With proper care, our suits last a full season of heavy use (50+ wears). Many families get two seasons out of a single suit before their child outgrows it. The reinforced knees and quality neoprene are designed to hold up to real kid use — sand, rocks, crawling, you name it.
Ordering & Returns
Do you offer free shipping?
Yes. Every order ships free within the United States. No minimums, no codes needed.
What’s your return policy?
We offer hassle-free returns and exchanges. If the fit isn’t right or your child doesn’t love it, send it back for a full refund or swap for a different size — no questions asked.
How fast do you ship?
Most orders ship within 1–2 business days and arrive in 3–5 business days via USPS.
Do you ship internationally?
We currently ship within the United States. International shipping is coming soon.
Still Have Questions?
We’re real parents — not a call center. Reach out anytime and we’ll get back to you fast.