Swiftwick Aspire Ankle Sock hip pocket This band is designed to

This band is designed to cradle the sensor flush against your arm to prevent external light from getting in to keep the signal quality strong

Brooks lengthened the integrated bottom band on this bra for on-body security and support

Adjustable hook-and-loop closure makes the perfect fit easy

Sleeveless

Smooth finish

Swiftwick Aspire Ankle Sock hip pocket This band is designed toThe Aspire ankle sock offers thin, breathable support with firm compression for enduring performance on runs, rides, and more. Engineered with moisture wicking fibers, it keeps feet dry and secure with zero slippage. Features & Specs Y shaped Heel Creates a snug fit that moves with your foot without bunching or slipping. Ankle Cuff Height Providing optimal support and protection, this minimal silhouette provides more protection from your shoe.