Paired up with arm warmers this is the ideal three season jersey from cool to warm weather five pockets plus a zipped security pocket means the rider can take all they need for any length of ride the pockets on the oxygen jersey have been engineered to securely hold all the equipment needed for a 4 hour ride the backpack inspired 39strapes39 stabilise the pockets no swinging or bouncing distribute weight and follow the rider39s movements even when fully loaded it all adds up in