Ronhill Tech Matrix H Z Women’s Colour:White Size Height Weight Chest Body Size Height Weight Chest Body Type S 163cm – 173cm 55kg – 65kg 79cm – 91cm Small SM 170cm – 178cm 62kg – 70kg 89cm – 97cm Small Medium ST 175cm – 191cm 64kg – 72kg 89cm – 97cm Small Tall M 173cm – 183cm 68kg – 74kg 97cm – 102cm Medium MT 175cm – 191cm 68kg – 78kg 97cm – 102cm Medium Tall ML 173cm – 188cm 75kg – 82kg 102cm – 107cm Medium Large L 178cm – 191cm 82kg – 92kg 107cm – 112cm Large XL 183cm – 196cm 92kg – 100kg 112cm – 122cm X Large XXL 183cm – 196cm 97kg – 115kg 117cm – 127cm XX Large Put it on and off you go Temperatures can be particularly low during early mornings training runs in the spring Depending on how cold the conditions are there’s the option of a full mitten to stop your body heat escaping through your hands