Reima Uumaja Children's Insulated Waterproof Winter Jacket - Black

With a 10,000 mm waterproof rating and fully taped seams, the Reima Uumaja jacket keeps kids dry through downpours and snowball fights alike. Its breathable, windproof shell and 160 g/m² Reima Flex insulation deliver warmth without overheating, while the detachable snap-off hood and reflective details add everyday safety.

Overview

Built for active children, the Uumaja is a unisex winter jacket that balances weather protection with freedom of movement. The outer fabric is 100% polyester with a polyurethane coating, treated with BIONIC-FINISH® ECO for PFC-free water and dirt repellency. Inside, soft polyester lining and lightweight insulation keep the cold out, and the abrasion-resistant shell withstands rough play (40,000 Martindale cycles).

What stands out

• Waterproof to 10,000 mm with taped seams — no leaks in heavy rain or wet snow.
• Breathable at 7,000 g/m²/24h, so kids stay comfortable during active play.
• Windproof construction blocks chilly gusts, while the adjustable hem and elastic cuffs seal in warmth.
• Detachable hood with safe snap-off fasteners prevents snagging during play.
• Reflective details enhance visibility on dark winter days.
• Two zippered hand pockets and an inner chest pocket (sizes 116+) keep treasures secure.

Technical details

• Outer material: 100% polyester with polyurethane coating
• Lining: 100% polyester
• Insulation: Reima Flex, 100% polyester, 160 g/m²
• Waterproof rating: 10,000 mm water column
• Breathability: 7,000 g/m²/24h
• Windproof: Yes
• Seams: Fully taped waterproof

Our verdict

The Reima Uumaja is a top-tier choice for parents seeking durable, weatherproof protection for active kids. Its high waterproof and breathability ratings, combined with thoughtful safety features, make it a reliable companion for all winter adventures.