Ronhill | Unisex Marathon Waist Belt - All Black Breathable Wrist-based heart rate: an optical

Wrist-based heart rate: an optical wrist-based heart rate sensor constantly measures your heart rate1

Some of the additional features include:

The Nike Women's AeroSwift Dri-FIT ADV Running Singlet is best for race-day and faster training runs

with an integrated drawcord

All-Systems GNSS mode + Multi-Band: Up to 19 hours

Ronhill | Unisex Marathon Waist Belt - All Black Breathable Wrist-based heart rate: an opticalThe Ronhill Unisex Marathon Waist Belt will help you during your long runs. It is a great running belt for marathon runners. It has a number of key features including: a zipped, expandable pocket; 8 gel loops in total; 2 different gel loop sizes to ensure all types of gels can be carried; race number fasteners; an adjustable waist strap; reflectivity; and a key hook. Technical Features Weight: 33 grams Fibre content: 85% Polyamide, 15% Elastane