bj rn borg h100 mid tmp prf m cognac size:EU 42 Fill it with tap water

Fill it with tap water and you will save at least 300 times the energy compared to buying bottled water

On cold mornings it can be pulled on as insulation just below the hood of a jacket or coat

racerback detail

Bungee detail at bottom hem lets you customize the fit

Strategic cooling

bj rn borg h100 mid tmp prf m cognac size:EU 42 Fill it with tap waterThe H100 Mid TMP PRF M is a style with a superior combination of sporty and stylish, perfect for everyday wear. The boot is equipped with a waterproof membrane that provides good protection against moisture, and it has an insole that retains heat. With these features, you can enjoy the cold weather without getting too cold!