bi-swing

bi-swing

(ˈbaɪˌswɪŋ)

adj.
1. (of a garment) made with a deep pleat from the back waistline to the shoulder on each side, to permit free arm movement.
n.
2. a bi-swing garment.
[1965–70]
References in periodicals archive ?
6, these lightweight coveralls feature elastic waist insets, a bi-swing back for ease of movement, and a concealed waist and neck.
Underarm gussets and bi-swing back allow for extra reaching room, while the princess seams and adjustable side taps allow for a better fit.
PDUs feature expandable comfort waists and for women, a natural waistline, plus bi-swing shoulders and a diamond-gusseted crotch for durability.
All this with Bi-Swing Bowhunter's Back--custom made to YOUR specifications
The outer jacket has a polyester micro-fleece shell and soft nylon lining; zip-off hood; bi-swing back with license tab and covered slit for treestand harness tether; articulated elbows and gusseted armpits; and plenty of pockets.
Heavy duty front zipper and snap closup placket, Velcro-snap closure stand collar and adjustable Velcro-closure cuffs, snap down epaulets, and bi-swing Back for freedom of movement.
Arctic Coat - Quilt Lined, with same basic materials plus under collar has snaps for optional hood, zipper front wind flap with Velcro[TM] closure, extra-large front pockets and two chest pockets, also with Velcro[TM] flap closures, split back with bi-swing, pleated elbow, rib-knit storm cuff in sleeve, inside waist drawcord adjustment and underarm ventilation.
The FR Work Coverall (100162), a 7-ounce proprietary blend of FR modacrylic/ lyocell/ aramid, offers two chest pockets with flaps, two pass-through pockets, left-leg utility band, multiple tool and utility pockets, spread collar, brass front zipper with Nomex FR zipper tape for added protection, split-back construction, pleated bi-swing for added range of motion, Carhartt's signature triple-stitched main seams, generous leg openings to fit comfortably over work boots, Carhartt FR label sewn visibly on back and front pockets, HRC 2 label sewn visibly on left-chest pocket.
The shirt has a bi-swing action back and a larger shirt bottom for comfort when it is worn outside of pants.
NEW Action Shirt - With lightweight moisture wicking material, an easy-moving bi-swing back and a pocket for essentials, this Action Shirt has everything you need on hot jobs