Columbia Chill River II Arm Sleeves Size:International:S/M Your Big Student style is

Your Big Student style is a backpack with lots of pockets

so the sides of your bottle stay dry

Cotton straps make for the most comfortable hold and the shoulder strap is both adjustable and removeable if required

nylon webbing and web haul handle make it a worth addition to the Transit Gear Collection

Columbia Chill River II Arm Sleeves Size:International:S/M Your Big Student style isLong, Hot Days Designed For Long, Hot Hours In The Sun, This Columbia Chill River Arm Sleeves, Packs Serious Uv Protection For Supreme Protection From The Heat And Sun. Omni FREEZE advanced cooling Omni SHADE UPF 50 sun protection Omni WICK Mesh ventilation Flat lock construction Thumb holes Silicone grip at top of sleeve