Hi readone90 . I am a supplier from Bangladesh. Most of our Buyers (German & Polish) prefer 100% Cotton S/J 160 GSM with Elastane 1X1 RIB on Neck . Their preferred sizes & ratios are S:M:L:XL:XXL / 1:2:2:2:1. I hope this information will help you.
One more thing there are mostly two types of yarn we use to make T-Shirts fabric . They are combed & carded. Combed yarn is a little bit expensive but much better than carded. Price per T-Shirt will be FOB $2.20-$2.60/PC (approximate) based on your requirements.
This is a good example of why importing isn't always best.
Because you as a buyer do have not have the buying power that some of the bigger wholesale providers have. I as a small shop can get shirts for an equal to or lower price than those quoted above in a brand shirt because of that distribution point. Oh and did I mention ... because my orders are over a couple hundred bucks each ... I don't have overseas ship time or import fees.
That being said ... That is a decent price if you can get tagless, with standard sizes and a versatile color range what won't fade if you ever decide to produce your own brand or line of clothing while being able to buy enough to offset any sort of import fees and keep inventory supply in stock. In that case, the blank apparel is able to be tagged and branded to be all yours creating a new product on the market. For screen printers that is easily done with a nice tiny heat press badge for the top collar. You can get some nice plastisol transfers that would be ganged on a sheet to come out roughly to being $.15-.25 each. You can distinguish size and your own upkeep instructions for YOUR product, to match your printing process.
Also keep in mind that even though you can get shirts and apparel for a low price overseas ... they don't have the same quality control of your average wholesale company who inspects their product for defects and will be able to take care of any products that have problems in quality (holes, mis-stitches, frays, etc) So order accordingly and plan on a 1-5% error rate. It's pretty much the same error rate across the board if it's LED lights to Apparel to ceramic blanks.
Man, the stories I can tell you about buying LED lights in bulk for resale ...