The ASICS Gel DS Trainer 21 NC is a standard daily trainer and performance uptempo running shoe designed for a neutral or supinated foot motion.


Other Colorways:

From daily training to tempo runs, the DS Trainer 21 NC is a versatile road running option. Rearfoot and Forefoot Gel Cushioning Systems work with a Solyte midsole to deliver lightweight cushioning while an Impact Guidance System provides a smooth ride from footstrike to toe off. Along with a seamless upper and heel clutching system, the DS Trainer 21 NC provides a secure wrap when paces increase.

Model Number:

Stack Height: 26mm (Heel), 16mm (Forefoot)

Available Widths: D=Medium

How It Fits (based on width D)

  • Sizing: Standard running shoe length
  • Heel: Medium
  • Midfoot: Medium to low volume
  • Forefoot: Medium
  • Toe-Box Height: Medium to low
  • Arch Structure: Medium
  • Shoe Shape: Semi-Curved


  • Rearfoot Gel cushioning system uses a silicone-based gel for responsive shock absorption on impact.
  • Forefoot Gel cushioning system uses a silicone-based gel for responsive shock absorption on impact.
  • Solyte is an ultra light, top-of-the-line midsole that delivers durable and responsive cushioning.
  • Propulsion Trusstic System utilizes a thermal plastic unit that connects the lateral heel to the medial forefoot. This unit works to release stored energy and propel you forward during toe-off.
  • Impact Guidance System (IGS) design creates a smooth and balanced heel-to-toe transition.
  • Guidance Line is a vertical flex groove in the forefoot for improved gait efficiency.


  • DuoSole Outsole provides lightweight, flexible, and durable traction.
  • ASICS High Abrasion Rubber (AHAR) in the heel is made of carbon rubber for exceptional durability.
  • DuraSponge in the forefoot is made from a blown AHAR compound, for responsive cushioning and flexibility.


  • Open mesh on the upper provides breathable coverage.
  • Seamless Upper Construction allows for irritation-free sockless wear.
  • Heel Clutching System uses an exoskeletal structure that wraps the heel for a secure fit.
  • ComforDry Sockliner is made with anti-bacterial material to reduce odor and moisture and provide additional cushioning.

Footwear Performance Characteristics

Pronation Grade:

  • Neutral
  • Minimum
  • Moderate
  • Maximum

Heel-To-Toe Drop (mm):

  • 0
  • 1-2
  • 3-4
  • 5-6
  • 7-8
  • 9-10
  • 11+

Stack Height:

  • Barefoot
  • Minimal
  • Low
  • Medium
  • High
  • Maximal


  • Road
  • Road/Trail
  • Hard Trail
  • Varied Trail
  • Soft Trail

Shoe Type:

  • Premium
  • Standard
  • Performance
  • Racing

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