I have this in black and wear it to every race AND outdoor run! It's a necessity for me because 1) convenience of putting my keys, phone, gels, headphone case, water, etc. in a secure place and not having to worry about holding it 2) it's super flatt...
ADV SKIN 5 Unisex Running Vest with flasks included - Salomon
i've tried 4 different gels and keep coming back to this one.. idk why, this brand just works and they know what they're doing 😭 my fav gel for my long runs