Birkenstock Boston Shearling Size:39 It features a suede upper

It features a suede upper and warm sheepskin on the inside of the boot for optimum warm all winter long

75" shaft height with a sheepskin lining and insole

It features a removable sock

and has UGG’s signature SugarSole EVA outsole

It features a suede upper and warm sheepskin on the inside of the boot for optimum warmth all winter long

Birkenstock Boston Shearling Size:39 It features a suede upperFit : Regular Wide Size Guide : 35 (US Womens 4 4. 5) 36 (US Womens 5 5. 5) 37 (US Womens 6 6. 5) 38 (US Womens 7 7. 5) 39 (US Womens 8 8. 5) 40 (US Womens 9 9. 5, US Mens 7 7. 5) 41 (US Womens 10 10. 5, US Mens 8 8. 5) 42 (US Womens 11 11. 5, US Mens 9 9. 5) 43 (US Mens 10 10. 5) 44 (US Mens 11 11. 5) 45 (US Mens 12 12. 5) 46 (US Mens 13 13. 5) 47 (US Mens 14 14. 5) 48 (US Mens 15 15. 5) 49 (US Mens 16 16. 5) 50 (US Mens 17 17. 5)