A new training shoe from NOBULL aims to solve a common problem for gym-goers who struggle to find footwear that works for both lifting and cardio.
The NOBULL Outwork Flex is an update to the brand’s existing Outwork training shoe. It is designed for people whose workouts include a mix of strength training and conditioning, such as group fitness classes, CrossFit-style routines, or circuit training.
Key updates in the Outwork Flex
The Outwork Flex keeps the same 4mm heel-to-toe drop and wide, stable base as the original Outwork. The main changes include an extra 1mm of stack height in the heel and forefoot, and an added 0.8mm of EVA strobel, a type of memory foam. According to the review, these adjustments provide more arch support and a cushioned feel underfoot without majorly affecting stability.
The shoe also has a more flexible upper than the original. The reviewer noted this allowed the foot to move more naturally during dynamic movements like lateral shuffles, burpees, and sprints.
Trade-offs and performance
The extra cushioning does come with some trade-offs. The review states the Outwork Flex has slightly less ground-feel stability than the original Outwork, which may be noticeable for competitive powerlifters under heavy loads. The shoe also has slightly less grip, which could be a factor on slick surfaces or during lateral cutting movements.
For most recreational and intermediate gym-goers, the review suggests these trade-offs are unlikely to be dealbreakers.
The reviewer tested the shoes in group fitness classes that included warm-ups, sprints, and weighted work. During sprints and dynamic movements, the flexible upper allowed the foot to move naturally, and the extra cushioning helped absorb impact during jump movements. The reviewer reported less foot fatigue than usual after the conditioning portion of class.
During strength circuits and squats, the shoe felt grounded and stable despite the added stack height. The reviewer did not feel like they were squatting on a soft surface. The shoe also held its shape under load.
The reviewer, who has a history of plantar fasciitis, reported zero symptoms after two full sessions in the Outwork Flex, including sprint intervals. They attributed this to the combination of the elevated stack height and the EVA strobel, which provided cushioning and arch support without being overly soft.
Outwork vs. Outwork Flex
The original NOBULL Outwork has a stiffer upper, a slightly lower stack height, more grip, and maximum ground-feel stability. The review recommends it for lifters who prioritize heavy strength work and want a stable platform.
The Outwork Flex has a more flexible upper, an extra 1mm of stack height, an extra 0.8mm of EVA strobel, and slightly less grip. The review recommends it for mixed-format training, including workouts that blend cardio and strength.
The reviewer confirmed that the shoes required no break-in period and that sizing is consistent with the original Outwork.
