Whoop 4 HydroKnit Bicep Band S/M, Fast-Dry, Deep End Green

The Whoop 4 HydroKnit Bicep Band in size S/M, luxury green, is expertly designed for athletes and active individuals seeking advanced comfort, performance, and style. Celebrating golf’s most iconic week, this bicep band

features a vibrant green shade inspired by the legendary fairways, offering a sophisticated and sporty look for every occasion.

Crafted with WHOOP’s ultra-comfortable SuperKnit material, enhanced with HydroKnit technology, this band sets a new benchmark for moisture management. HydroKnit dries twice as fast as traditional SuperKnit and retains 30% less water, making it an essential accessory for water sports, high-intensity workouts, or simply showering without concern. The innovative bicep design frees your wrist, allowing accurate health and fitness tracking from your upper arm, and is exclusively compatible with the WHOOP® 4.0 device.

Technical

Specifications

• Brand: Whoop
• Model: 4 HydroKnit Bicep Band
• Size: S/M (12 inches / 30.5 cm)
• Color: Luxury Green
• Material: 92% Recycled Polyester, 8% Elastane
• Metals: Stainless Steel
• Origin: USA

Features

• Fully waterproof, ideal for swimming, water sports, and shower use
• Rapid-drying HydroKnit retains 30% less moisture than conventional bands
• Ultra-comfortable, flexible material for all-day wear
• Elegant and sporty design in vivid green inspired by golf’s elite tradition
• Includes hook, clasp, and innovative Fast Link™ slider for effortless band swapping
• Exclusive compatibility with WHOOP® 4.0

Use Cases

• Perfect for athletes, golf enthusiasts, and fitness lovers
• Suitable for outdoor activities, gym sessions, swimming, or daily wear at work or home
• Provides optimal comfort during prolonged use by freeing the wrist

Benefits

• Accurate tracking of vital metrics from the upper arm
• High resistance to water and sweat supports intense athletic performance
• Eco-friendly materials ensure durability and sustainability

Care Instructions

• Hand wash only with gentle soap and cold water
• Air dry exclusively; do not machine dry to maintain material integrity
• The Whoop 4 HydroKnit Bicep Band is the ultimate solution for athletes and those who value practical luxury. Add it to your fitness collection and experience next-level comfort, performance, and elegant design. Ideal for use in the gym, on the golf course, at the office, or during everyday activities.