RECOVERY THAT RETURNS.

NAMU is built for performance now — and less impact later. Phase uses Soleic® plant-based biodegradable polyurethane, engineered to reduce long-term microplastic waste without sacrificing support, comfort, or durability.

SHOP PHASE

BETTER MATERIALS.
LESS LEFT BEHIND.

NAMU partnered with Algenesis Labs to use Soleic®, a plant-based polyurethane foam designed to biodegrade at end-of-life and avoid harmful forever microplastics. Current Soleic® foams are 57% bio content and deliver over 50% GHG emissions reductions.

01
Plant-based foam icon

PLANT-BASED
FOAM

Made with Soleic®, a bio-based polyurethane platform developed by Algenesis Labs.

02
Lower impact icon

LOWER
IMPACT

Engineered for reduced greenhouse gas emissions compared to traditional polyurethane materials.

03
Biodegradable material icon

BUILT TO
BREAK DOWN

Designed to biodegrade at end-of-life instead of leaving behind forever microplastics.

NAMU Phase sandal on wet rocks

SUSTAINABILITY
WITHOUT
THE SOFT SELL.

This isn’t a recycled hangtag story. It’s material science built into the product itself — from the foam platform underfoot to the way Phase is designed to perform between workouts.

LEARN ABOUT PHASE
TRUSTED BY INDUSTRY LEADERS

BUILT WITH
REAL INDUSTRY
BACKING.

From performance footwear publications to material science leaders and recovery-focused media, NAMU has been recognized by companies and organizations that believe in what we’re building — recovery footwear engineered with purpose, performance, and long-term material innovation.

Urethanes Technology International
Triathlon Insight
House of Volley
Flite
Footwear Magazine
Clean The Sky