I got a new biking backpack today ,rather slim but it can accomodate my lid and a raincoat plus the usual tools/minipump/bottle/purse/phone. Its a Salomon one and i got it for 15$ with a SRP of 70$ . It has reinforced/ventilated/wicked back and straps, chest strap, waist strap plus accomodation for a bladder (camelback style.) . I opted for this rather that getting a blowfish camelback (120$) or a raceface BC pack (100$). Tell me your opinion.