1results about How to "Flexible deformation" patented technology

The utility model relates to clothing field discloses an easily -expanding assault down jacket, including main part, the main part includes front piece, back piece and collar, the front piece and back piece present fixed connection, the upper portion fixed connection of front piece and back piece has the collar, the both sides fixed connection of main part has the sleeve, the one end of sleeve near main part is provided with the expansion part on, a plurality of expansion sheets are fixedly connected on the expansion part, the one end away from main part is provided with the cuff on the sleeve, through setting up expansion part and fixedly connecting a plurality of expansion sheets in the one end of sleeve near main part, and expansion sheet is accurately distributed in the shoulder and underarm key activity area of user, has greatly reduced the constraint of sleeve to upper limb activity in the process of user's movement, fully releases the activity amount.