Guardian Prize 29,344 Help Last Two

[curlydog1]

Help needed with the last few on this Easter crossword. 
"Stumble across, trapping leg" H-N-T-N. I know the answer but cannot parse it. 
25ac Theme-word's overcoats - large one in tatters R-G-A-S

thanks 
 

[Captain2]

stumble across = HIT ON with ON (leg side in cricket, inside)

[Captain2]

Rag-L-an-s

[curlydog1]

Thanks Captain2. 
I still don't understand the definition of Raglans🤨

[Toorak]

Raglan is the theme word and the s comes from word's to make raglans

some coats have raglan sleeves

[curlydog1]

Thanks Toorak, I knew about the sleeves but didn't realise that it was also a village in Wales.