Dome tent lightweight tent porches 1 capacity 2 man poles aluminium applications camping trekking outer materials polyester ripstop plastic outer material properties 40d silicone coated polyamide inner materials polyester ripstop 30d hydrostatic head flysheet 3 000 mm hydrostatic head groundsheet 10 000 mm base materials polyamide ripstop pole diameter 9 mm anchoring mechanism to wind up the guylines zippers 4 way entrance zip pack size 50