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Free UK delivery · Free 30-day returns · sportium.co.uk@gmail.com





Every order ships free with tracking. Timings are on our delivery page.
Email us with your order number within 30 days of delivery and we will send a prepaid returns label. Refunds go back to your original payment method.
Tell us the sport, your level and the measurements that matter at sportium.co.uk@gmail.com and we will help you choose.
Dark Lightning's 3/2mm kids wetsuit is a full-body neoprene suit that keeps toddlers and youth warmer in the water while allowing freedom of movement for swimming, surfing, snorkeling, and pool play.
This slim-fitting wetsuit blends warmth and flexibility with a straightforward sporty design for boys and girls. Constructed with thicker 3mm panels across the chest and thighs and lighter 2mm neoprene on the arms and lower legs, it balances insulation where kids need it most and mobility where they need to move. The suit is intended for recreational water activities—lessons, beach days, lake trips, surf practice, and casual snorkeling—providing extra coverage to help reduce chill and protect from sun and abrasions.
The suit uses a targeted two-thickness layout: 3mm in the torso and thigh areas to retain core warmth, combined with 2mm on the limbs so paddling and kicking remain easy. This mix reduces bulk around joints while keeping the chest and hips insulated.
Long sleeves and full-length legs extend coverage to protect skin from wind, sun, and rough surfaces. Stretchy seams and a snug fit minimize water flushing so kids stay warmer longer between swims.
Prioritize height and chest measurements when picking a size; weight is only a rough guideline. If your child falls between two sizes or you want a looser fit for easier dressing, choose the larger size for comfort and longer use.
Yes—the neutral sporty styling and practical construction make this suit a versatile option for both sexes across many casual water activities. It's designed for recreational use rather than specialized competitive or extreme cold-water diving.
Who is this for: Families looking for a dependable, easy-to-wear wetsuit for toddlers and kids who want warmth without restricting play. This Dark Lightning 3/2mm full suit suits young swimmers, beginner surfers, and vacationing children who need extra coverage and better warmth than a swimsuit but still require unrestricted movement in the water.
Q: Can this wetsuit be used for surfing and swimming lessons?
A: Yes. The 3/2mm build balances warmth and movement, suitable for casual surfing and swimming lessons.
Q: How should I pick a size for my child?
A: Choose by height and chest measurements. If between sizes, pick the larger for easier dressing.
Delivery: free and tracked to addresses across the UK, with no minimum spend. We email your tracking link as soon as your order is dispatched; timings are on our delivery page.
Returns: 30 days from delivery to return an unused item in its original packaging free of charge, with a prepaid label. This is on top of your 14-day legal right to cancel, and your Consumer Rights Act protections for faulty goods.
Damaged or wrong item? Email us a photo at sportium.co.uk@gmail.com and we will replace or refund it.
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