Ray-Ban RB4151 Active Lifestyle Polarized Outdoor Sunglasses/Eyewear - Black/Crystal Green / Size 59mm

The EnergyPointer tells you if the main effect of your training is fitness improvement or fat burnin

Displays calories burned

Comes with comfortable textile transmitter and coded heart rate transmission to avoid cross-talk

A feat of substance and sweetness, this two-tone Michele Jelly Bean watch works a refined yet sporty vibe with its gold case, oversized dial, and durable silicone strap.

Helps nerve and muscle function

Essential in the formation of bones and teeth and in converting blood sugar to energy

Critical to many bodily functions, including enzyme and hormonal action and DNA production