The ortlieb hip pack the hip pack2 is a waterproof waist pocket with roll closure suitable for numerous activities it comes in two sizes 4 or 6 litres and constitutes an alternative to daypacks as it offers room for gear like a thin jacket food map etc those who like keeping their backs free during biking or hiking will make the right choice with the hip pack2 the hip pack2 features a comfortable breathable waist strap system that is angle and length adaptable for a perfect fit it also f