Engineered ease.
Born from the same precision as the Hydro Lab Hoodie, these heavyweight fleece sweatpants combine structure, softness, and motion. The 345 gsm cotton-poly blend keeps warmth without weight, offering a balanced feel that adapts to both training recovery and daily wear.
A sculpted regular fit, elastic cuffs, and deep pockets deliver clean functionality. Every line flows naturally, echoing the calm rhythm of water in control.
Details
• 42% cotton, 53% polyester, 5% other fibers
• 345 gsm heavyweight fleece
• Slight stretch, high breathability
• Elastic waistband and cuffs
• Designed in the Hydro Lab
Our Impact
Protect Every Water
Water is at the heart of everything we do. That’s why every order helps support global ocean and waterway cleanup through our partnership with 4ocean, turning every purchase into a small step toward cleaner waters.


Craftsmanship
Built to Last
Every Kotriton piece is thoughtfully designed with premium materials and meticulous attention to detail. From fabric selection to finishing touches, we create apparel made to perform, last, and become part of your everyday journey.
Customer Care
Shop with Confidence
Free worldwide shipping on orders over $100, easy 7-day returns for eligible items, and dedicated customer support ensure a seamless experience from checkout to delivery.





