ANTA GUANJUN - SAKER 4

ANTA GUANJUN - SAKER 4 is tailored for mid-to-long-distance trail training and racing across mixed terrains. Delivering balanced stability, long-lasting fade resistance, and precise zonal lockdown, it gives runners full confidence with zero break-in needed—ready to run right out of the box. Inspired by the high-speed hunting dynamics of the saker, the sleek, speed-driven design suits both trail running and everyday casual wear.

To mitigate continuous impact and late-stage performance degradation during mid-to-long-distance running, the midsole employs a “thick-top, thin-bottom” dual-layer structure. The top layer features double-molded, supercritical nitrogen-infused TPU bead foam with an 80% energy return rate, harmonizing cushioning, rebound, and long-distance performance stability. The bottom layer consists of a 2mm-thick, abrasion-resistant EVA sheet that provides stability, torsional support, scuff resistance, and underfoot protection—preventing excess bulk from crowding out the cushioning foam. A 5mm heel-to-toe drop, paired with the sole’s rocker geometry, strikes a balance between protection, ground feel, and natural gait freedom.

To counter forward foot slippage and lateral displacement in trail running, the upper incorporates a dual-lock drawcord system that enables independent adjustment across the forefoot and instep, allowing runners to customize wrap tightness according to foot shape and trail conditions. The outsole integrates the SakerGrip traction system, with multi-directional lugs inspired by saker talons to reinforce push-off, braking, and steering. Combined with Vibram technology, it enhances multi-directional grip and stability control while remaining lightweight.