Rockbros - CYCLING/SPORTS POLARIZED GLASSES with 5 Interchangeable Lenses - BLACK/RED Photochromic Sports Glasses no powders

no powders

the iron sand is separated by multiple dividers to ensure even weight distribution

QZSS GNSS Chipset All-Satellite Dual-Frequency Navigation Map Layer Landscape Downloadable Global Maps Topo Downloadable Regional Maps Additional Features Checkpoint Back-To-Start Deviation Alert Touchscreen-Enabled Map Control Data Tracking Sensors Optical Heart Rate Monitor May not work over tattoos Barometric Altimeter Accelerometer Gyroscope 3D Compass Thermometer Supports body temperature in training (with compatible accessory) Optical Pulse Oximeter Electrocardiogram Sensor Training Features Resting Heart Rate Underwater Heart Rate Action Camera Control Supports select GoPro and Insta360 cameras Virtual Pacer Virtual Run Running Form Test Requires COROS POD/POD 2 Altitude Mode Regular evaluation of SpO2 and fitness when at high altitudes Touch Scroll Swipe to scroll data pages during training Extender Daily Features Stopwatch Daily Alerts Include active calories

they automatically darken depending on the lighting conditions

Rockbros - CYCLING/SPORTS POLARIZED GLASSES with 5 Interchangeable Lenses - BLACK/RED Photochromic Sports Glasses no powdersDESCRIPTION Universal sports glasses by Rockbros, are perfect for cycling, running, and other sports activities. Thanks to the use of 5 interchangeable lenses we can personalize the product to our requirements and current weather conditions. Lenses: polarized (black) 4 additional lenses: yellow, brown, blue, and transparent UV 400 filter blocking 100% UVA and UVB radiation made of polycarbonate Frames: TR frames lightweight, flexible, impact resistant