4-rth Eco-Track & Yoga Sweat Pant (Solid Heather Grey)

The 4-rth Eco-Track & Yoga Sweat Pant represents a masterclass in functional design, blending high-performance utility with a sophisticated, minimalist silhouette. Designed for the modern individual who values both architectural integrity and seamless movement, this piece redefines the standard for everyday essential wear, proving that true comfort is best achieved through intentional, refined construction.

Crafted from premium Modal fabric derived from sustainable birch-tree fibers, the textile offers an exceptionally soft, lightweight hand-feel. This material is engineered for superior drape and breathability across varied climates, ensuring the garment maintains a crisp aesthetic while providing a sensory experience that feels weightless against the body. The inherent technical properties of the weave allow for an effortless, fluid movement that holds its shape throughout the day.

The structural ergonomics of the Eco-Track pant are defined by precision tailoring. The tapered leg creates a sleek, elongated profile, while the integrated internal piping—running through the crotch and along the inner seams—unlocks a new tier of flexibility and range of motion. A 2x1 rib-knit panel spanning from the side of the pant to the rear provides critical structural stability, ensuring the garment moves in tandem with the anatomy. The flexible waistband, secured by a 1/2" tubular draw cord, offers a customized, secure fit that maintains a clean, architectural line.

An essential foundation for a curated wardrobe, these pants transition flawlessly from home-based movement to elevated leisure. To maintain the integrity of the fabric and the precision of the seams, we recommend gentle care to ensure longevity and shape retention. Explore more foundational pieces in our 4-rth Collection and experience the intersection of high-end tailoring and daily comfort.

• Tapered silhouette for a refined, modern aesthetic.
• Modal fiber composition for superior softness and climate-adaptable breathability.
• Internal piping geometry to maximize kinetic range and flexibility.
• Reinforced 2x1 rib panels for enhanced structural stability during movement.
• Adjustable tubular draw cord for a tailored, personalized fit.
• Versatile construction suited for dedicated yoga practice or high-end lounging.