West Indies cricketers arrive for Sri Lanka tour

The West Indies cricket team led by Jason Holder arrived at Hotel Taj Samudra in Colombo on Thursday for a 44-day tour which comprises two Tests, three One-Day Internationals and two T20 Internationals.
West Indies open their tour on October 8 with a three-day practice match against a Sri Lanka Board President’s XI at the SSC before moving to the first Test against Sri Lanka at Galle from October 14.

Eldine must be relaxing outside with a rum and coconut water and thinking - me finally de coach, life sweet

So they have almost two weeks to get  acclimatized to the conditions and so when they put on a poor show then they can't blame jet lag or not being used to the conditions.