Intex Kayak Reviews: 5.8 Intex Challenger K2 handling6.2 stability6.5 comfort6.1 storage6.0 portability5.9 durability4.1 6.2 Intex Explorer K2 handling6.1 stability6.8 comfort6.2 storage5.0 portability7.5 durability5.5 6.9 Intex Challenger K1 handling6.8 stability6.8 comfort7.1 storage6.9 portability8.8 durability5.3