Which of these shoes suits a first purchase?

The New Balance 580 Dark Grey Navy suits a first purchase if you want Grey with Navy in a recognisable sneaker shape. Nike P-6000 Premium Dark Smoke Grey is more tonal, while Adidas Samba Adv adds Blue and Gum.

Which dark grey shoes suit a Bengaluru office that runs cold in AC?

The Nike Zoom Vomero 5 Dark Smoke Grey Vachetta suits a Bengaluru office that runs cold in AC when you want a closed sneaker in a restrained colour. Ugg Tasman Slipper offers a different silhouette, while Samba Adv adds Blue.

How should I choose between the sneaker and slipper options?

New Balance 580, Nike P-6000, Nike Zoom Fly 4, Nike Zoom Vomero 5, Adidas Samba Adv and Jordan 1 Mid are sneaker options. Ugg Tasman Slipper and Hoka Ora Recovery Flip give you different footwear shapes.