-30% Product available with different options Underwear Walking Jack - Bluebird Trunks 03BLU233 €16.10 €23.00 The Walking Jack Bluebird Collection is a further step up in comfort than any other underwear in the market. If you liked their Core Trunks, you will love these too! The Walking Jack Bluebird Trunks feature an all blue design and are made from a top quality fabric, a cotton and elastane mix. The only two differences you will find from the Core trunks to... View