dryCELL tech drawing moisture away from your skin to keep you dry is rather clever. Flatlock stitching to prevent rubbing and abrasion is great. Inserting mesh panels to promote air flow in key heat zones was a choice move. But adding an invisible zip pocket on to the back of these leggings is quite possibly the master stroke, because, let’s face it, incorporating storage solutions into form-fitting sportswear is a science unto itself.