Blundstone Rotoflex Water Resistant Nubuck 135MM Safety Boot 8550

Not sure where to start?
Try these collections:

Tax included. Shipping calculated at checkout.

Tax included.Shipping calculated at checkout.

Blundstone Size (AU/UK)	2	3	3.5	4	4.5	5	5.5	6	6.5	7	7.5	8	8.5	9	9.5	10	10.5	11	11.5	12	13	14	15	16
Foot Length (mm)	212	220	220	228	228	237	237	246	246	254	254	262	262	271	271	280	280	288	288	296	305	314	324	332
USA Men	3	4	4.5	5	5.5	6	6.5	7	7.5	8	8.5	9	9.5	10	10.5	11	11.5	12	12.5	13	14	15	16	17
USA Women	5	6	6.5	7	7.5	8	8.5	9	9.5	10	10.5	11	—	12	—	—	—	—	—	—	—	—	—	—
EU Size	34.5	35.5	36	37	37.5	38	38.5	39	40	41	41.5	42	42.5	43	43.5	44	45	46	46.5	47	48	49	50	51

AU/UK sizing shown in column headers. Women's sizes not available above AU/UK 9.

Please note: Blundstone Boots are sized in AU/UK sizing.

RotoFlex Series 8550 Safety Boots

The RotoFlex Series 8550 Safety Boots combine premium comfort with advanced safety performance. Crafted from durable wheat nubuck leather, this style is biomechanically designed to support natural movement while delivering reliable protection on site.

Advanced cushioning systems work together to reduce fatigue throughout the day, while a composite toe cap provides certified impact protection without added weight.

Premium wheat nubuck leather upper
Fortalite composite toe cap rated to 200 joule impact
Aircell footbed for airflow, moisture control and cushioning
SoftCell comfort system for improved fit and support
Infinergy E TPU cushioning for energy return and impact reduction
Slip resistant outsole designed for strong underfoot traction
Safety boot design suited to demanding work environments