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For maximum cold-weather protection with no gaps, no adjustment issues, and no cold air sneaking in at the waist, nothing beats a one-piece snowsuit. Our collection for kids ages 2 to 16 is designed in Montreal for real Canadian winters: warm to -30°C, waterproof, and built for full days of outdoor play and skiing.
The one-piece snowsuit is the simplest and most effective format for keeping kids warm and dry in the coldest conditions. One zip, full coverage, done.
Kids Ski One Piece: Built to Perform
Every one-piece snowsuit in the collection is engineered with serious specs:
- PrimaLoft® insulation to -30°C — recycled-fiber insulation that stays warm even when damp. The right choice for all-day ski use and extended snow play.
- Waterproof up to 15,000 mm — wet snow, slush, and sitting in snowbanks are no match for the waterproof shell.
- BIONIC-FINISH® ECO treatment — PFAS-free DWR for reliable, eco-friendly water repellency.
- Cordura® 600D reinforcements (TEKNIK) — at knees and seat, where falls and lift rides cause the most wear.
- YKK® zippers — durable and easy to operate even with mitts on.
- "Grows with your child" system — two-season coverage from one suit.
- Interior shoulder-strap system — jacket can be removed indoors without taking off the whole suit.
One-Piece Snowsuit Lines
- TEKNIK — our highest-performance line for skiing and snowboarding.
- PLAY — active daily use, -30°C, for long outdoor school days and park adventures.
- DISCOVER — versatile for family outings and beginner ski days.
Shop by gender: girls' one-piece snowsuits and boys' one-piece snowsuits. Free shipping and 30-day returns.
Frequently Asked Questions — One-Piece Snowsuits
Is a kids one-piece ski suit canada better than a two-piece for very cold days?
Yes. A kids one-piece ski suit eliminates the waist gap that lets cold air in with two-piece sets, a critical advantage at -25°C or below. It's also simpler to put on for younger kids and moves with the body as a single unit on the slopes. The trade-off is versatility: the jacket can't be worn separately. For kids who ski regularly in extreme cold, the one-piece is the stronger choice.
What sizes does the one piece snow suit for kids collection cover?
The one piece snow suit for kids collection runs from size 2 to size 16, covering toddlers through teenagers. Most models include the "grows with your child" extendable sleeve and leg system, meaning a single suit often covers two consecutive winters. Use the size chart on each product page to find the right fit, and free returns make it easy to exchange if needed.
Is a toddler one piece snowsuit easy to put on alone?
Our toddler one piece snowsuit styles are designed with easy dressing in mind: full-length front zippers that open completely, wide leg openings, and adjustable cuffs. The interior shoulder-strap system means the jacket portion can be slipped off at daycare or the ski chalet without undressing entirely, a huge daily time-saver.
Can I pair a one-piece snowsuit with ski boots and a helmet?
Yes. All one-piece snowsuit styles in the TEKNIK line include ski boot-compatible lower pant openings and a helmet-compatible hood. The hood is designed to fit over a ski helmet without restricting head movement. PLAY and DISCOVER styles have a wide lower hem that fits over standard winter boots without specialist ski-boot adjustment.