The front shoe compartment fits at least a size 12 work boot and a pair of thongs - tested - it is around 25cm Deep x 35cm Wide x 25cm Tall. The main clothes divider (large) designed to store your heavy gear like jackets, jumpers and pants is 30cm x 30cm Wide x 25cm Deep. The smaller divider designed for underwear, bathers and socks is 30cm Long x 10cm Wide x 25cm Deep. The two dividers that sit above the shoe compartment are each 15cm Wide x 25cm Long x 10cm Deep - they easily fit 5 T-shirts one side and the other 3-4 pair of shorts. The bag is designed for 3-5 days of clothes you need to visit the Victorian High Country in winter or 2 weeks of tropical shirts and shorts for up north.