5-liter Crux reservoir that makes it easier to load and refill

Ice Fits effortlessly inside Ergonomic grip allows for even more on-the-go ease

this is the 2010 model and its a -10

Great quality choice for a great price and a nice bright color

New Under Armour Men HeatGear Sonic Compression Sleeveless Top Small GrayWht new in wrapper! 5-liter Crux reservoir that makesFitted: Next to skin without the squeeze Ultra soft, smooth fabric provides extreme comfort with very little weight 4 way stretch fabrication allows greater mobility and maintains shape 30+ UPF protects your skin from the sun's harmful rays 90% Polyester 10% Elastane