Not all training vests are made the same. Our vests are made of a thick material with multi-layering at the seams to prevent ripping and tearing. Multiple colors are available upon special requests. 
 
Medium: 4'7" to 5'8"
Large: 5'9" to 6'5"
 
For team orders of 51 or more please contact customerservice@tekkrs.com. Discounts availale at 51+ pieces ordered.