The Hanten Mega Puffer fit block is based directly from the boxy cropped body of the original 1950s MA-1, but simplified into a traditional Japanese Hanten silhouetteSurprisingly, worthy fabrics proved difficult to source despite the numerous iterations of the iconic silhouette produced today. Ironically, the most authentic fabrics were found through various Japanese manufacturers rather than in the USA - including 1950s reproduction sage flight nylon and 1950s reproduction sage 100% wool ribbing. 1950s MA-1 reproduction sage Japanese nylon 1950s MA-1 reproduction sage Japanese 100% worsted wool collar Climashield APEX synthetic insulation - 10 oz/sq yd Bemberg lining Made in USA of Japanese fabric Dry clean only Size Large as shown. Model is 6ft. Recommend sizing up due to insulation thickness. Length Shoulder Chest Collar-Sleeve XS 24" Raglan 22" 31.5" S 24.5" Raglan 22.5" 32" M 25" Raglan 23" 32.5" L 25.5" Raglan 24" 33"