Inclusion Criteria:  Male or female (post-menopausal) aged 35 years or above. Diagnosed with T2DM as defined by the WHO (≥48 mmol/mol). Participant is willing and able to give informed consent for participation in the study. Participant is able to understand and fully cooperate with the study protocol.  Exclusion Criteria:  Severe peripheral neuropathy (to the point to which they cannot sense temperature)  Uncontrolled hypertension (≥180 systolic / 100 diastolic mmHg) Taking any medication which may interfere with data interpretation or safety Who have had a myocardial infarction or cerebro-vascular event Any cardiac abnormalities which restrict hard exercise Current smokers or who have stopped within 3 months Participant is unable to understand and/or fully cooperate with the study protocol Any other serious medical condition which would interfere with data interpretation or safety will be excluded from participation. Skin ulcerations Eczema Pre-existing postural hypertension Existing cardiac diseases (identified during screening)