- Unisex blue denim shirt - Shirt collar, long buttoned sleeves - One patch chest pocket - Buttons to fasten, No Gender button on left cuff Mini-me ! See the adult’s denim shirt The approach IKKS ACTS BETTER fabric contains 41% recycled cotton. The blue denim shirt adapts to any style. It’s a timeless piece with a patch pocket on the chest, to wear open or done up.