HydroKnit Bicep Band 4.0 for WHOOP – Storm Grey

Designed for high-performance lifestyles, the HydroKnit Bicep Band 4.0 in Storm Grey offers a secure and comfortable alternative to traditional wrist wear. Compatible with WHOOP 4.0, this advanced band is engineered using WHOOP’s latest HydroKnit fabric for improved breathability, sweat resistance, and long-lasting comfort. Whether you're training, working, or recovering, it provides seamless integration with your fitness tracking system while staying firmly in place. Ideal for users seeking a more discreet and adaptable way to wear their WHOOP sensor during intense activity or daily routines.

• Designed for WHOOP 4.0 – ensures full compatibility and accurate tracking
• HydroKnit fabric – breathable, flexible, and moisture-resistant
• Secure bicep placement – ideal for high-intensity or wrist-restricted activities
• All-day comfort – smooth fit without irritation
• Sleek Storm Grey color – modern, understated style

• HydroKnit Fabric: Offers enhanced breathability, flexibility, and sweat resistance
• Elastic Blend: Provides a snug, adjustable fit that stays in place
• Durable Stitching: Reinforces longevity and wear resistance even during intense activity

At Hewyn, our product selection is guided by a commitment to quality and impact. We collaborate with a trusted network of health professionals who shortlist the latest and most effective items in the wellness space. Each product’s ingredients are rigorously reviewed, ensuring they’re backed by research and offer real health benefits. This process guarantees that every product on Hewyn meets our high standards, delivering only the best for your well-being.