Anatomica boxersa go to for comfort, with super soft performance, icebreaker's anatomica boxers are a perfect balance of stretch with a premium wool composition.made with a merino wool blend, the anatomica boxers from icebreaker deliver optimum performance whatever the sport'. '.strtoupper('t')he wool fibres manage temperature perfectly by trapping heat in in the cold as well as wicking away unwanted perspiration when warm, thus allowing you to stay fresh throughout wear'. '.strtoupper('c')ore spun with nylon, durability and strength are guaranteed, and with flatlock seams, they won't chafe or irritate'. '.strtoupper('f')eaturescore spun fabric for enhanced durabilitylycrareg content for stretch and mobilitycontoured pouchflatlock seams prevent chafingicebreaker branded elastic waistbandbuy icebreaker from chain reaction cycles, the world's largest online bike store.