Projob Workwear Men''s Undershirt with Polo Neck In Light Grey & Black 643103. Functional undershirt with polo neck. Fits snugly to body. Short front zipper with zipguard to protect chin from chafing. Raglan sleeve. Extended back. No side seam, preventing chafing & irritation. Knit cuff at sleeve end. Two-tone with flat-lock seams in contrasting colour.