The two main body poles are 8.5mm fiberglass the same size Coleman uses on their Sundome 2 and Sundome 3. On the Sundome 6 they use an 11mm fiberglass pole which is the right choice for that size tent. At the least with fiberglass poles on this Sundome 4 they should have used a 9.5mm… Continue reading The Expert-approved Coleman Camping Tent Is on Sale