Picnic jacket

On beautiful spring days while on a walk in the park you find the perfect spot to lie down. The problem is that the spot is covered with grass and leaves. So you place your jacket onto the ground to lie down on. Now you are getting somewhere but the jacket doesn't cover enough ground and you have no place to put your head.

Thankfully there is the picnic jacket. It is a normal light jacket designed for spring and summer weather but the inner lining is designed to fold outwards to form a complete picnic blanket large enough for one and possibly two happy sleepers to lie upon. The collar conveniently inflates into a pillow area to allow you to comfortably raise your head to look up at the good looking people playing frisbee and squirrels climbing on the trees nearby.

When you are done with lying you shake out the blanket, deflate the pillow, and fold the lining back into the jacket.