Dual-color perforated silicone strap, breathable and comfortable
Dimensions
Forerunner 265: 46.1 x 46.1 x 12.9 mm; Forerunner 265S: 41.7 x 41.7 x 12.9 mm
Weight
Not specified
All-day health monitoring with GARMIN proprietary algorithms
Additional details
Physiological metrics
HRV status, blood oxygen saturation (SpO2), sleep tracking, stress monitoring, body battery energy
Training readiness assessment combining sleep, HRV, recovery time, short-term load, and other physiological data
Running dynamics and power metrics available on wrist without external sensors (e.g., cadence, vertical oscillation, ground contact time, running power)
Additional details
Recovery and training guidance
daily training suggestions, recovery advice, performance predictions
Supports over 30 indoor and outdoor sports modes including running, trail running, hiking, cycling, skiing, swimming (pool and open water), rowing, HIIT, Pilates, stair climbing
Multi-frequency, multi-constellation satellite positioning with GARMIN SatIQ technology for intelligent satellite and frequency switching
Enhanced positioning accuracy and optimized battery life
Supports GPS, GLONASS, Galileo, and other satellite systems
UltraTrac mode for extended battery life with reduced GPS accuracy
Additional details
Smartwatch mode
Up to 15 days (Forerunner 265S), up to 20 days (Forerunner 265)
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