hi Colnago welcome 2 CS (& S'pore)! here's a short list for u.
1) Golden Mile Food Centre (opposite Golden Mile Tower)
2) Velocity Sq (above Novena MRT)
3) World of Sports (outlet shop w/ many branches)
4) Peninsula Plaza (various shops at L2)
5) Peninsula Hotel & Shopping Centre (several floors, opposite Peninsula Plaza)
wad size of Deuter backpack u looking for 25L-50L, or bigger? for such bags place no. (1) or (4) is best.
as for shoes, ideally check out (2) or World of Sports (3) or to kno d (recommended retail) price then head to (1), (4) or (5) where independently owned stores r at to bargain down d price. if those places qoute a price equal or higher than retail shops in town than u kno wad really is a gd price from wads not.