4-rth Sustain Tank (Ice Blue)

Own your aesthetic with the 4-rth Sustain Tank, a top-selling essential designed for those who demand both refinement and uninhibited freedom. This tank captures a signature silhouette that elevates your everyday look, blending premium craftsmanship with a high-energy spirit perfect for your next big event or weekend getaway.

Experience the touch of custom ProModal fabric, engineered to feel softer than cotton while maintaining exceptional durability and color vibrancy. The unique rib-knit construction ensures a breathable, lightweight feel that stays fresh during long days under the sun or high-intensity movement, providing a sensory experience that defines luxury loungewear and active apparel alike.

The Sustain Tank is built for the modern physique. By removing side seams, 4-rth has created a fluid, uninterrupted profile that contours naturally to your torso. This thoughtful design focuses on structural integrity, ensuring the tank maintains its crisp shape while offering an unlimited range of motion. Whether you are transitioning from yoga flows to street style, the clean lines and precision stitching highlight your frame without restriction.

Versatile enough for pool parties, beachside festivals, or as a sophisticated base layer, this tank is designed to last for years. For more options to build your wardrobe, explore our full tank tops and vests collection. Pair this piece with your favorite shorts and embrace the confidence of a perfectly tailored fit. Invest in a staple that works as hard as you do.

• ProModal rib fabric for superior softness and lasting colorfastness.
• Seamless side design for an ultra-sleek, irritation-free silhouette.
• Engineered for an athletic range of motion and long-term shape retention.
• Hand-made quality with precise attention to stitching and detail.
• Crisp, refined look suitable for casual wear or performance activities.
• Signature bamboo green thread detail along the center back seam.