Stuck on last one.
26A. Nice sunhat and suit designed to get you cool. (14) Assume it's an anagram of 'nice sunhat suit', so -N-N-H-S-A-T-C. Missing letters are IUSETIU....
Started late on this beautiful day and stuck on last one...
10D. Idiot, he wears silly things such as pajamas (12) N*G*T*L*T*E*
...Night something but can't think what....