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Table 1 Characteristics of study shoes 1

From: The effects of commercially available footwear on foot pain and disability in people with gout: a pilot study

Characteristic Cardio zip Viper Apollo Asteroid
Upper materials Leather & Synthetic Synthetic Synthetic Synthetic
Outsole materials Rubber Phylon Synthetic Rubber
Tread pattern Textured Textured Textured Textured
Weight (kg) 0.406 0.340 0.353 0.380
Length (cm) 29.5 29.8 29.9 30.0
Heel Height (cm) 3.9 3.9 2.0 2.2
Forefoot height (cm) 2.3 2.6 2.2 2.2
Longitudinal Profile (cm) 1.6 1.3 1.3 1.4
Last (°) 12 11 10 9
Fixation of upper to sole Slip lasted Board Board Board
Forefoot sole flexion point At level of MTPJs Proximal to MTPJ Level of MTPJs Distal to MTPJs
Density Dual Single Single Single
Heel counter stiffness Rigid Moderate Minimal Minimal
Midfoot sole sagittal stability Moderate Minimal Minimal Minimal
Midfoot sole frontal stability Moderate Minimal Minimal Minimal
Motion Control Scale (0–11) 9 4 3 3
Presence of cushioning Heel/forefoot Heel/forefoot None None
Lateral midsole hardness2 Firm (57) Firm (54) Firm (56) Soft (49)
Medial midsole hardness2 Firm (53) Firm (57) Firm (44) Firm (53)
Heel sole hardness2 firm (56) Firm (64) Hard (59) Firm (65)
  1. 1All characteristics measured from standard shoe size 11, 2Sole hardness measured using a durometer.