Answer:

singlet

Answer	Crossword Clue
SINGLET	Cotton undershirt.
SINGLET	Jersey.
SINGLET	Briton's garment.

SINGLET	Undershirt, in Britain.
SINGLET	Undershirt or jersey.
SINGLET	Runner's jersey
SINGLET	Marathoner's shirt
SINGLET	Wrestler's wear
SINGLET	One-time athletic jersey (7)
SINGLET	Grappler's gear
SINGLET	Jersey, in Jersey

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.