Suck in about $50 in savings on this 100-ounce Camlbak K.U.D.U 8 hydration pack from Woot. These K.U.D.U packs are the tightest and lightest packs, but still have some storage space to carry your phone, keys, and any bike repair tools you might need. They’re listed around $100 on Amazon, so this Woot deal is a no-brainer if you’ve been thirsting for a new pack.