There are several small holes

Stud / Popper Button Closure

4 Front Button Pockets & Internal

Vintage Militaria / 1980's

Chest Size: 44" | Suggested Size: Medium Regular - Label suggests a chest around "100"cm

British RAF Wool V Neck Pullover Jersey Jumper - Medium Peacoat There are several small holesAt a glance 80% Wool & 20% Nylon Blend Material Reinforced Elbows & Shoulder Patches 1 Shoulder Pocket Ribbed Wool Body Snug Fit but Stretchy V Neck Design Heavy Duty & Hard Wearing Iconic Woolly Pully Style Classic British RAF Grey Blue Colour Pit to Pit: 21" Suggested Size: Medium Regular Label states fitting a chest around 94cm Looks to be stretched a size up Sleeve Length: 27" Regular Designed for roll up cuffs! Collar to Hem: 26" Modern Militaria