No Future Yoga gymsac
If you practice hard, you might need a couple of bottles of water to stay hydrated, and the No Future gymsac will carry them with no issues: it's made out of the premium heavyweight organic cotton (340 g/m2), and has thick and soft straps.
It costs 3100 ISK if you want to pay with local currency.
Price for domestic parcel, within Iceland: 1000 ISK
Price for international parcel, within Europe: 14€ / 2000 ISK
Price for international parcel, outside Europe: 28€ / 4000 ISK