CASTELLI Core Mesh 3 Men's Short Sleeve Base Layer shorts transflective memory in pixel (MIP) WEIGHT 89 Size Thigh & Calf Circumference:S Thigh 43 46 cm 17 18 in Calf 31 34 cm 12.25 13.5 in transflective memory in pixel (MIP) WEIGHT 89 g (case only: 61 g) BATTERY LIFE Smartwatch: Up to 28 days 37 days with solar* Battery Saver Watch Mode: Up to 90 days 1+ year with solar* GPS Only: Up to 89 hours 122 hours with solar** All Satellite Systems: Up to 63 hours 77 hours with solar* All Satellite Systems and Multi band: Up to 36 hours 41 hours with solar** All Satellite Systems and Music: Up to 16 hours Max Battery GPS: Up to 213 hours 578 hours with solar** Expedition GPS: Up to 62 days 139 days with solar* *Solar charging click and go with 26 mm wide interchangeable bands for your compatible watch Magic Mesh 90% polyester Weight:131 g